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Versione delle 18:11, 29 lug 2012
| Patented in | Patent number | Priority date | Patent date | Invented by | Patent description | |
|---|---|---|---|---|---|---|
| Patent-FR-Poenaru.pdf | FR | Poenaru | 1827-04-26 | 1827-05-25 | Pierre Poyenar | Proto-stilografica |
| Patent-US-11762.pdf | US | 11762 | 1854-10-03 | 1854-10-03 | John Mabie | Portamine e cannuccia |
| Patent-US-19613.pdf | US | 19613 | 1858-03-09 | 1858-03-09 | Lucien E. Hicks | Calamaio |
| Patent-US-38863.pdf | US | 38863 | 1863-06-09 | 1863-06-09 | Lucien E. Hicks | Calamaio |
| Patent-US-49878.pdf | US | 49878 | 1865-09-12 | 1865-09-12 | William S. Hicks | Portamine e cannuccia |
| Patent-US-61156.pdf | US | 61156 | 1867-01-16 | 1867-01-16 | Robert Macintyre Cameron Duncan Cameron | Pennino da intinzione |
| Patent-US-087661.pdf | US | 087661 | 1869-03-09 | 1869-03-09 | Henry S. Goodspeed | Serbatoio per pennino da intinzione |
| Patent-US-109257.pdf | US | 109257 | 1870-11-15 | 1870-11-15 | Fridolin Schifferle | Protostilografica |
| Patent-US-112917.pdf | US | 112917 | 1871-03-21 | 1871-03-21 | William S. Hicks | Portamine telescopico |
| Patent-US-118367.pdf | US | 118367 | 1871-08-22 | 1871-08-22 | John A. Holland | Cannuccia |
| Patent-US-120520.pdf | US | 120520 | 1871-10-31 | 1871-10-31 | William S. Hicks | Portamine telescopico e cannuccia |
| Patent-US-122047.pdf | US | 122047 | 1871-12-19 | 1871-12-19 | Joseph Monaghan Thomas Flynn | Matita meccanica e cannuccia |
| Patent-US-122169.pdf | US | 122169 | 1871-12-26 | 1871-12-26 | William S. Hicks | Portamine telescopico e cannuccia |
| Patent-US-132008.pdf | US | 132008 | 1872-10-08 | 1872-10-08 | John A. Holland | Lega per i pennini |
| Patent-US-135118.pdf | US | 135118 | 1873-01-21 | 1873-01-21 | John A. Holland | Punta per cannuccia |
| Patent-US-148999.pdf | US | 148999 | 1873-12-09 | 1874-03-24 | Adolphe Teysonnière | Calamai |
| Patent-US-159513.pdf | US | 159513 | 1874-11-21 | 1875-02-09 | John A. Holland | Portamine |
| Patent-US-174965.pdf | US | 174965 | 1875-06-18 | 1876-03-21 | Duncan Mackinnon | Penna a stilo |
| Patent-US-180715.pdf | US | 180715 | 1876-04-22 | 1876-08-08 | John A. Holland | Custodia matita meccanica |
| Patent-US-189304.pdf | US | 189304 | 1876-06-12 | 1877-04-10 | Alonzo T. Cross | Penna a stilo |
| Patent-US-194158.pdf | US | 194158 | 1877-07-02 | 1877-08-14 | George W. Mabie | Cannuccia |
| Patent-US-199621.pdf | US | 199621 | 1877-12-03 | 1878-01-29 | Alonzo T. Cross | Penna a stilo |
| Patent-US-202655.pdf | US | 202655 | 1878-03-23 | 1878-04-23 | John A. Holland | Penna a stilo |
| Patent-US-202654.pdf | US | 202654 | 1878-03-23 | 1878-04-23 | John A. Holland | Portamine |
| Patent-US-206200.pdf | US | 206200 | 1878-06-20 | 1878-07-23 | William W. Stewart | Proto-stilografica |
| Patent-US-D010872.pdf | US | D010872 | 1878-08-23 | 1878-10-22 | Charles W. Gessner | Portamine telescopico |
| Patent-US-211575.pdf | US | 211575 | 1878-11-18 | 1879-01-21 | John A. Holland | Penna a stilo |
| Patent-US-D010984.pdf | US | D010984 | 1878-11-02 | 1879-01-21 | James C. Aikin | Involucro per fusto |
| Patent-US-214795.pdf | US | 214795 | 1879-02-06 | 1879-04-29 | William W. Stewart | Proto-stilografica |
| Patent-US-217888.pdf | US | 217888 | 1879-03-07 | 1879-07-29 | Duncan Mackinnon | Penna a stilo |
| Patent-US-D011457.pdf | US | D011457 | 1879-09-08 | 1879-10-07 | James C. Aikin | Custodia portamine |
| Patent-US-222959.pdf | US | 222959 | 1879-06-11 | 1879-12-23 | William W. Stewart | Proto-stilografica |
| Patent-US-D011737.pdf | US | D011737 | 1879-12-19 | 1880-04-13 | James C. Aikin | Involucro per fusto |
| Patent-US-D011806.pdf | US | D011806 | 1879-12-26 | 1880-06-08 | James C. Aikin | Involucro per matita |
| Patent-US-237139.pdf | US | 237139 | 1880-09-13 | 1881-02-01 | William W. Stewart | Proto-stilografica |
| Patent-US-237454.pdf | US | 237454 | 1880-06-08 | 1881-02-08 | William W. Stewart | Proto-stilografica |
| Patent-US-241216.pdf | US | 241216 | 1880-10-04 | 1881-05-10 | John A. Holland | Processo per fusioni di iridio |
| Patent-US-RE9890.pdf | US | RE9890 | 1877-04-10 | 1881-10-11 | Alonzo T. Cross | Penna a stilo |
| Patent-US-253953.pdf | US | 253953 | 1881-03-30 | 1882-02-21 | William W. Stewart | Proto-stilografica |
| Patent-US-254175.pdf | US | 254175 | 1881-03-16 | 1882-02-28 | William W. Stewart | Proto-stilografica |
| Patent-US-255205.pdf | US | 255205 | 1881-08-30 | 1882-03-21 | Marvin C. Stone | Proto-stilografica |
| Patent-US-258299.pdf | US | 258299 | 1878-11-07 | 1882-05-23 | John A. Holland | Penna a stilo |
| Patent-US-258298.pdf | US | 258298 | 1882-02-27 | 1882-05-23 | John A. Holland | Custodia matita meccanica |
| Patent-US-263392.pdf | US | 263392 | 1882-04-08 | 1882-08-29 | Alonzo T. Cross | Matita meccanica |
| Patent-US-264854.pdf | US | 264854 | 1882-04-17 | 1882-09-26 | Francis C. Brown | Penna a stilo |
| Patent-US-269290.pdf | US | 269290 | 1881-12-14 | 1882-12-19 | John A. Holland | Pennino |
| Patent-US-275912.pdf | US | 275912 | 1881-10-11 | 1883-04-17 | John A. Holland | Penna a stilo |
| Patent-US-279388.pdf | US | 279388 | 1882-10-03 | 1883-06-12 | John A. Holland | Custodia matita meccanica |
| Patent-US-285895.pdf | US | 285895 | 1882-10-03 | 1883-10-02 | John A. Holland | Processo per leghe di iridio |
| Patent-US-288290.pdf | US | 288290 | 1883-03-12 | 1883-11-13 | Paul E. Wirt | Penna a pennino sdoppiabile |
| Patent-US-292313.pdf | US | 292313 | 1882-03-18 | 1884-01-22 | John A. Holland | Meccanismo portamine |
| Patent-US-293545.pdf | US | 293545 | 1883-09-19 | 1884-02-12 | Lewis E. Waterman | Stilografica e alimentatore |
| Patent-US-295395.pdf | US | 295395 | 1883-01-26 | 1884-03-18 | Hezekiah Hewitt | Pennino da intinzione |
| Patent-US-297420.pdf | US | 297420 | 1882-02-17 | 1884-04-22 | Henry C. Klagges | Proto stilografica |
| Patent-US-298582.pdf | US | 298582 | 1883-04-16 | 1884-05-13 | John A. Holland | Proto-stilografica |
| Patent-US-298767.pdf | US | 298767 | 1883-04-11 | 1884-05-20 | James Morton | Proto-stilografica |
| Patent-US-307735.pdf | US | 307735 | 1883-06-20 | 1884-11-04 | Lewis E. Waterman | Stilografica e alimentatore |
| Patent-US-311554.pdf | US | 311554 | 1884-06-26 | 1885-02-03 | Paul E. Wirt | Alimentatore overfeed |
| Patent-US-314547.pdf | US | 314547 | 1884-06-30 | 1885-03-24 | William W. Stewart | Alimentatore |
| Patent-US-324393.pdf | US | 324393 | 1885-04-27 | 1885-08-18 | Rhodes G. Lockwood | Calamaio |
| Patent-US-330358.pdf | US | 330358 | 1885-03-02 | 1885-11-10 | Paul E. Wirt | Alimentatore overfeed |
| Patent-US-333104.pdf | US | 333104 | 1885-08-06 | 1885-12-29 | Edward A. Brandeburg | Serbatoio per pennino da intinzione |
| Patent-US-356996.pdf | US | 356996 | 1886-10-14 | 1886-02-01 | Frederick J. W. Fischer | Cannuccia a serbatoio |
| Patent-US-340865.pdf | US | 340865 | 1885-08-22 | 1886-04-27 | Dewitt C. Demarest | Proto-stilografica |
| Patent-US-345411.pdf | US | 345411 | 1886-03-18 | 1886-07-13 | Francis C. Brown | Alimentatore overfeed |
| Patent-US-351033.pdf | US | 351033 | 1886-08-23 | 1886-10-19 | John A. Holland | Alimentatore e sezione |
| Patent-US-353053.pdf | US | 353053 | 1886-04-20 | 1886-11-23 | Dewitt C. Demarest | Alimentatore |
| Patent-US-353399.pdf | US | 353399 | 1886-08-18 | 1886-11-30 | Francis C. Brown David W. Beaumel | Alimentatore e sezione |
| Patent-US-354664.pdf | US | 354664 | 1886-01-22 | 1886-12-21 | William W. Stewart | Proto-stilografica |
| Patent-US-358525.pdf | US | 358525 | 1886-07-28 | 1887-03-01 | Paul E. Wirt | Alimentatore overfeed |
| Patent-US-361493.pdf | US | 361493 | 1886-11-06 | 1887-04-19 | Dewitt C. Demarest | Alimentatore |
| Patent-US-374140.pdf | US | 374140 | 1887-04-15 | 1887-11-29 | Francis C. Brown | Alimentatore |
| Patent-US-378987.pdf | US | 378987 | 1887-04-27 | 1888-03-06 | William W. Stewart | Alimentatore |
| Patent-US-378986.pdf | US | 378986 | 1886-08-04 | 1888-03-06 | William W. Stewart | Proto-stilografica |
| Patent-US-399306.pdf | US | 399306 | 1888-03-16 | 1889-03-12 | Paul E. Wirt | Costruzione pennino |
| Patent-US-408000.pdf | US | 408000 | 1888-11-23 | 1889-06-30 | Dewitt C. Demarest | Alimentatore |
| Patent-US-D019277.pdf | US | D019277 | 1889-07-10 | 1889-08-20 | Edward Todd Jr. | Decorazione fusto |
| Patent-US-D019278.pdf | US | D019278 | 1889-07-10 | 1889-08-20 | Edward Todd Jr. | Decorazione fusto |
| Patent-US-415838.pdf | US | 415838 | 1889-08-01 | 1889-11-26 | John A. Holland | Stilografica |
| Patent-US-416944.pdf | US | 416944 | 1888-12-04 | 1889-12-12 | George S. Parker | Sezione e alimentatore |
| Patent-US-422474.pdf | US | 422474 | 1889-09-27 | 1890-03-04 | Otto E. Weidlich | Alimentatore superiore |
| Patent-US-423804.pdf | US | 423804 | 1889-09-28 | 1890-03-18 | George S. Parker | Sezione e alimentatore |
| Patent-US-426813.pdf | US | 426813 | 1889-12-23 | 1890-04-20 | John A. Holland | Proto-stilografica |
| Patent-US-426758.pdf | US | 426758 | 1890-01-09 | 1890-04-29 | Claes W. Boman | Caricamento a cartuccia |
| Patent-US-426692.pdf | US | 426692 | 1889-09-20 | 1890-04-29 | William W. Stewart | Alimentatore overfeed |
| Patent-US-428969.pdf | US | 428969 | 1889-04-29 | 1890-05-27 | Norman C. Stiles | Sistema di caricamento |
| Patent-US-448360.pdf | US | 448360 | 1890-05-12 | 1891-03-17 | John Oliphant | Caricamento a sacchetto di gomma |
| Patent-US-455023.pdf | US | 455023 | 1890-11-26 | 1891-06-30 | George S. Parker | Alimentatore |
| Patent-US-466950.pdf | US | 466950 | 1891-08-31 | 1892-01-12 | William Thomas Shaw | Il progetto della Pelican |
| Patent-US-474940.pdf | US | 474940 | 1891-06-08 | 1892-05-17 | John S. Barnes | Custodia boccetta di inchiostro |
| Patent-US-478653.pdf | US | 478653 | 1890-12-15 | 1892-07-12 | William W. Stewart | Sistema di alimentazione |
| Patent-US-480751.pdf | US | 480751 | 1890-01-20 | 1892-08-16 | William W. Stewart | Alimentatore overfeed |
| Patent-US-485795.pdf | US | 485795 | 1892-02-29 | 1892-11-08 | John A. Holland | Alimentatore |
| Patent-US-491795.pdf | US | 491795 | 1890-05-14 | 1893-02-14 | David W. Beaumel | Alimentatore overfeed |
| Patent-US-510145.pdf | US | 510145 | 1893-07-24 | 1893-05-15 | Woodruf Post | Caricamento a siringa |
| Patent-CH-6035.pdf | CH | 6035 | 1892-12-02 | 1893-05-31 | Pennino doppio | |
| Patent-US-501895.pdf | US | 501895 | 1893-01-13 | 1893-07-18 | Morris W. Moore | Caricamento non-leakable |
| Patent-US-507348.pdf | US | 507348 | 1893-07-14 | 1893-10-24 | David W. Beaumel | Una penna a stilo |
| Patent-US-510439.pdf | US | 510439 | 1892-12-14 | 1893-12-12 | George S. Parker | Alimentatore overfeed |
| Patent-US-512319.pdf | US | 512319 | 1893-11-01 | 1894-01-09 | George S. Parker | Alimentatore Lucky Curve |
| Patent-US-542450.pdf | US | 542450 | 1894-03-23 | 1894-05-09 | William W. Stewart | Sistema di caricamento |
| Patent-US-523234.pdf | US | 523234 | 1894-04-06 | 1894-07-17 | Edward G. Peck Frederick O'Meara | Caricamento rientrante |
| Patent-US-525895.pdf | US | 525895 | 1894-01-25 | 1894-09-11 | Eugene M. Gordon | Sistema di alimentazionie |
| Patent-US-526428.pdf | US | 526428 | 1894-01-17 | 1894-09-25 | Paul E. Wirt | Cappuccio a tenuta |
| Patent-US-526425.pdf | US | 526425 | 1893-08-26 | 1894-09-25 | Paul E. Wirt | Caricamento rientrante |
| Patent-US-526426.pdf | US | 526426 | 1893-12-04 | 1894-09-25 | Paul E. Wirt | Caricamento rientrante |
| Patent-US-526427.pdf | US | 526427 | 1893-12-04 | 1894-09-25 | Paul E. Wirt | Caricamento rientrante |
| Patent-US-533350.pdf | US | 533350 | 1893-06-14 | 1895-01-29 | Walter F. Cushing | Alimentatore overfeed |
| Patent-US-533942.pdf | US | 533942 | 1894-05-21 | 1895-02-12 | Francis C. Brown | Variante di non-leakable filler |
| Patent-US-549166.pdf | US | 549166 | 1895-04-11 | 1895-11-05 | William W. Stewart | Sistema di alimentazione |
| Patent-US-551895.pdf | US | 551895 | 1895-04-01 | 1895-12-24 | Henry Horton Edward G. Peck | Caricamento rientrante |
| Patent-US-556522.pdf | US | 556522 | 1895-10-14 | 1896-03-17 | Otto E. Weidlich | Alimentatore |
| Patent-US-559034.pdf | US | 559034 | 1894-05-01 | 1896-04-28 | James W. Laughlin | Blocco afflusso inchiostro |
| Patent-US-559422.pdf | US | 559422 | 1895-09-27 | 1896-05-05 | Lewis E. Waterman | Alimentatore |
| Patent-US-564938.pdf | US | 564938 | 1896-03-09 | 1896-06-28 | Amos J. Scritchfield | Alimentatore |
| Patent-US-567151.pdf | US | 567151 | 1894-03-07 | 1896-09-08 | Morris W. Moore | Caricamento non-leakable |
| Patent-US-567152.pdf | US | 567152 | 1894-11-13 | 1896-09-08 | Morris W. Moore | Caricamento non-leakable |
| Patent-US-578054.pdf | US | 578054 | 1896-12-24 | 1897-03-02 | William I. Ferris | Caricamento pump filler |
| Patent-DE-92299.pdf | DE | 92299 | 1895-12-29 | 1897-06-04 | Penna a serbatoio | |
| Patent-US-588709.pdf | US | 588709 | 1897-02-12 | 1897-08-24 | William W. Stewart | Sistema alimentazione |
| Patent-US-588708.pdf | US | 588708 | 1896-09-17 | 1897-08-24 | William W. Stewart | Sistema alimentazione |
| Patent-CH-13885.pdf | CH | 13885 | 1897-01-15 | 1897-09-15 | Eduard Reisert | Penna a serbatoio |
| Patent-US-592847.pdf | US | 592847 | 1897-01-06 | 1897-11-02 | Arthur A. Waterman | Alimentatore |
| Patent-US-595373.pdf | US | 595373 | 1896-09-02 | 1897-12-14 | Alonzo T. Cross | Proto-stilografica |
| Patent-US-599592.pdf | US | 599592 | 1897-12-09 | 1898-02-22 | Claes W. Boman | Controllo alimentazione |
| Patent-US-599591.pdf | US | 599591 | 1897-10-11 | 1898-02-22 | Claes W. Boman | Costruzione fusto |
| Patent-US-599590.pdf | US | 599590 | 1897-10-11 | 1898-02-22 | Claes W. Boman | Costruzione fusto |
| Patent-US-599616.pdf | US | 599616 | 1897-08-20 | 1898-02-22 | Eveline C. Lindley | Fermaglio da tasca per lapis |
| Patent-US-603463.pdf | US | 603463 | 1897-03-26 | 1898-05-03 | David W. Beaumel | Alimentatore e sezione |
| Patent-DK-1592C.pdf | DK | 1592C | 1897-04-26 | 1898-05-16 | Eduard Reisert | Penna a serbatoio |
| Patent-US-604690.pdf | US | 604690 | 1895-08-12 | 1898-05-24 | Lewis E. Waterman | Chiusura cappuccio |
| Patent-US-D028838.pdf | US | D028838 | 1898-04-29 | 1898-06-14 | Le Roy C. Fairchild | Portamine telescopico |
| Patent-US-606231.pdf | US | 606231 | 1897-07-26 | 1898-06-28 | George S. Parker | Alimentatore Lucky Curve |
| Patent-US-607398.pdf | US | 607398 | 1897-08-24 | 1898-07-12 | Lewis E. Waterman | Alimentatore |
| Patent-US-607397.pdf | US | 607397 | 1897-08-24 | 1898-07-12 | Lewis E. Waterman | Alimentatore |
| Patent-US-607399.pdf | US | 607399 | 1897-08-24 | 1898-07-12 | Lewis E. Waterman | Alimentatore |
| Patent-US-607400.pdf | US | 607400 | 1897-09-22 | 1898-07-12 | Lewis E. Waterman | Alimentatore overfeed |
| Patent-US-607401.pdf | US | 607401 | 1897-09-22 | 1898-07-12 | Lewis E. Waterman | Alimentatore |
| Patent-DE-99102.pdf | DE | 99102 | 1897-05-19 | 1898-09-03 | Auguste Henri Garot | Tiralinee |
| Patent-US-610428.pdf | US | 610428 | 1898-06-30 | 1898-09-06 | Claes W. Boman | Alimentatore |
| Patent-US-612013.pdf | US | 612013 | 1897-11-23 | 1898-10-11 | Francis C. Brown | Caricamento rientrante |
| Patent-US-614630.pdf | US | 614630 | 1898-01-28 | 1898-11-22 | William W. Stewart | Chiusura cappuccio |
| Patent-US-D029964.pdf | US | D029964 | 1898-08-11 | 1899-01-10 | Theodore E. Smith | Pennino da intinzione |
| Patent-US-619701.pdf | US | 619701 | 1897-03-08 | 1899-02-14 | Arthur A. Waterman | Alimentatore |
| Patent-US-619702.pdf | US | 619702 | 1897-05-26 | 1899-02-14 | Arthur A. Waterman | Stilografica middle-joint |
| Patent-GB-189902000.pdf | GB | 189902000 | 1899-01-28 | 1899-03-18 | Eduard Reisert | Penna a serbatoio |
| Patent-US-622256.pdf | US | 622256 | 1898-03-07 | 1899-04-04 | George S. Parker | Giunzione jointless |
| Patent-US-625722.pdf | US | 625722 | 1898-08-24 | 1899-05-23 | William I. Ferris | Alimentatore spoon feed |
| Patent-US-629519.pdf | US | 629519 | 1899-03-01 | 1899-07-25 | Stephen J. Meyerpeter | Giunzione jointless |
| Patent-CH-282E.pdf | CH | 282E | 1899-02-13 | 1899-07-31 | Eduard Reisert | Penna a serbatoio |
| Patent-US-630526.pdf | US | 630526 | 1899-03-21 | 1899-08-08 | William W. Stewart | Sistema di caricamento |
| Patent-US-630527.pdf | US | 630527 | 1899-03-21 | 1899-08-08 | William W. Stewart | Sistema di caricamento |
| Patent-US-631909.pdf | US | 631909 | 1898-04-16 | 1899-08-29 | William W. Stewart | Sistema di caricamento |
| Patent-US-631824.pdf | US | 631824 | 1899-04-06 | 1899-08-29 | Robert P. Robinson | Cappuccio per stilografica |
| Patent-US-632633.pdf | US | 632633 | 1899-06-27 | 1899-09-05 | Claes W. Boman | Penna a serbatoio estraibile |
| Patent-US-632320.pdf | US | 632320 | 1899-03-10 | 1899-09-05 | Edgar E. Nelthorpe George H. Williamson | Giunzione jointless |
| Patent-AT-179B.pdf | AT | 179B | 1897-04-20 | 1899-09-10 | Eduard Reisert | Penna a serbatoio |
| Patent-US-633538.pdf | US | 633538 | 1897-05-03 | 1899-09-19 | Arthur A. Waterman Frederick W. Stevens | Sistema di regolazione |
| Patent-US-634398.pdf | US | 634398 | 1899-08-04 | 1899-10-03 | Dewitt C. Demarest | Alimentatore |
| Patent-US-634013.pdf | US | 634013 | 1899-03-13 | 1899-10-03 | Oliver R. Mitchell | Chiusura cappuccio |
| Patent-US-634029.pdf | US | 634029 | 1897-01-26 | 1899-10-03 | Eduard Reisert | Penna a serbatoio |
| Patent-US-635700.pdf | US | 635700 | 1899-06-30 | 1899-10-24 | George S. Parker | Giunzione jointless |
| Patent-AT-398B.pdf | AT | 398B | 1899-01-28 | 1899-10-25 | Eduard Reisert | Penna a serbatoio |
| Patent-US-638779.pdf | US | 638779 | 1899-08-16 | 1899-12-12 | Arthur A. Waterman | Alimentatore |
| Patent-DK-2722C.pdf | DK | 2722C | 1898-05-02 | 1899-12-18 | Eduard Reisert | Penna a serbatoio |
| Patent-GB-189923550.pdf | GB | 189923550 | 1899-11-25 | 1900-01-06 | Johannes Paul Steinbach Karl Hermann Strache | Penna a serbatoio |
| Patent-US-642151.pdf | US | 642151 | 1899-06-30 | 1900-01-30 | George S. Parker | Giunzione jointless |
| Patent-US-646383.pdf | US | 646383 | 1897-02-23 | 1900-03-27 | William I. Ferris | Caricamento pump filler |
| Patent-US-648839.pdf | US | 648839 | 1900-03-10 | 1900-05-01 | Claes W. Boman | Alimentatore overfeed |
| Patent-US-651736.pdf | US | 651736 | 1899-12-05 | 1900-06-12 | Paul E. Wirt | Penna a "doppio serbatoio" |
| Patent-US-651735.pdf | US | 651735 | 1899-10-19 | 1900-06-12 | Paul E. Wirt | Alimentatore |
| Patent-US-651737.pdf | US | 651737 | 1900-01-31 | 1900-06-12 | Paul E. Wirt | Penna a "doppio serbatoio" |
| Patent-US-651738.pdf | US | 651738 | 1900-02-06 | 1900-06-12 | Paul E. Wirt | Penna a "doppio serbatoio" |
| Patent-US-653818.pdf | US | 653818 | 1900-04-09 | 1900-07-17 | George S. Parker | Cappuccio a frizione |
| Patent-US-655423.pdf | US | 655423 | 1900-03-23 | 1900-08-07 | Henry J. Upton | Costruzione cappuccio |
| Patent-US-657483.pdf | US | 657483 | 1896-09-02 | 1900-09-04 | Alonzo T. Cross | Proto-stilografica |
| Patent-US-662796.pdf | US | 662796 | 1900-09-28 | 1900-11-27 | Samuel Kraus | Anellino sul cappuccio |
| Patent-US-655736.pdf | US | 655736 | 1900-04-04 | 1901-01-26 | Eduard Reisert | Penna a serbatoio |
| Patent-US-668759.pdf | US | 668759 | 1900-07-14 | 1901-02-26 | William W. Stewart | Penna stilografica |
| Patent-US-668760.pdf | US | 668760 | 1900-12-13 | 1901-02-26 | William W. Stewart | Penna stilografica |
| Patent-US-670088.pdf | US | 670088 | 1900-02-08 | 1901-03-19 | Harry W. Stone | Sistema di alimentazione |
| Patent-AT-3719B.pdf | AT | 3719B | 1900-04-09 | 1901-03-26 | Eduard Reisert | Penna a serbatoio |
| Patent-US-673359.pdf | US | 673359 | 1900-09-12 | 1901-04-30 | Franklin S. Cooley | Alimentatore overfeed |
| Patent-US-673451.pdf | US | 673451 | 1899-02-07 | 1901-05-07 | Eduard Reisert | Penna a serbatoio |
| Patent-GB-190108860.pdf | GB | 190108860 | 1901-04-30 | 1901-06-01 | William Wells Sanford | Alimentatore |
| Patent-US-675698.pdf | US | 675698 | 1900-09-01 | 1901-06-04 | Paul E. Wirt | Alimentatore |
| Patent-US-675699.pdf | US | 675699 | 1900-09-01 | 1901-06-04 | Paul E. Wirt | Blocco afflusso inchiostro |
| Patent-DE-121245.pdf | DE | 121245 | 1900-07-10 | 1901-06-07 | Eduard Reisert | Penna a serbatoio |
| Patent-US-677008.pdf | US | 677008 | 1900-10-26 | 1901-06-25 | Walter W. Winton | Alimentatore |
| Patent-US-678547.pdf | US | 678547 | 1901-05-31 | 1901-07-16 | Seth S. Crocker | Caricamento blow filler |
| Patent-US-680117.pdf | US | 680117 | 1901-05-11 | 1901-08-06 | Claes W. Boman | Cappuccio a vite |
| Patent-US-679790.pdf | US | 679790 | 1901-03-05 | 1901-08-06 | William W. Stewart | Alimentatore |
| Patent-GB-190023217.pdf | GB | 190023217 | 1900-12-19 | 1901-09-28 | Eduard Reisert | Penna a serbatoio combinata |
| Patent-GB-190006677.pdf | GB | 190006677 | 1900-04-10 | 1901-09-28 | Eduard Reisert | Penna a serbatoio |
| Patent-US-683763.pdf | US | 683763 | 1901-07-24 | 1901-10-01 | John A. Holland | Cappuccio protettivo retrattile |
| Patent-US-685258.pdf | US | 685258 | 1901-07-12 | 1901-10-29 | Roy Conklin | Crescent filler |
| Patent-US-686920.pdf | US | 686920 | 1901-06-04 | 1901-11-19 | Joseph F. Betzler | Penna stilografica |
| Patent-US-692009.pdf | US | 692009 | 1898-05-16 | 1902-01-28 | Frederick Gilbert | Cappuccio di sicurezza |
| Patent-US-691974.pdf | US | 691974 | 1901-04-26 | 1902-01-28 | William W. Sanford | Alimentatore |
| Patent-US-697975.pdf | US | 697975 | 1901-04-23 | 1902-04-22 | Francis C. Brown | Caricamento rientrante |
| … risultati successivi | ||||||