Ricerca semantica
- Patent n° US-214795, of 1879-04-29, requested on 1879-02-06, of William W. Stewart, Swan. Improvement in fountain-pen holder.
- Patent n° US-293545, of 1884-02-12, requested on 1883-09-19, of Lewis E. Waterman, Waterman. Fountain-pen.
- Patent n° US-307735, of 1884-11-04, requested on 1883-06-20, of Lewis E. Waterman, Waterman. Fountain-pen.
- Patent n° US-314547, of 1885-03-24, requested on 1884-06-30, of William W. Stewart, Swan. Fountain-pen.
- Patent n° US-345411, of 1886-07-13, requested on 1886-03-18, of Francis C. Brown, Caw's. Fountain-pen.
- Patent n° US-351033, of 1886-10-19, requested on 1886-08-23, of John A. Holland, John Holland Pen Company. Fountain-pen.
- Patent n° US-353053, of 1886-11-23, requested on 1886-04-20, of Dewitt C. Demarest, Eagle. Fountain-pen.
- Patent n° US-353399, of 1886-11-30, requested on 1886-08-18, of Francis C. Brown, David W. Beaumel, Caw's. Fountain-pen.
- Patent n° US-361493, of 1887-04-19, requested on 1886-11-06, of Dewitt C. Demarest, Eagle. Fountain-pen.
- Patent n° US-374140, of 1887-11-29, requested on 1887-04-15, of Francis C. Brown, Caw's. Fountain-pen.
- Patent n° US-378987, of 1888-03-06, requested on 1887-04-27, of William W. Stewart, Swan. Fountain-pen.
- Patent n° US-408000, of 1889-06-30, requested on 1888-11-23, of Dewitt C. Demarest, Eagle. Fountain-pen.
- Patent n° US-416944, of 1889-12-12, requested on 1888-12-04, of George S. Parker, The Parker Pen Company. Fountain pen.
- Patent n° US-422474, of 1890-03-04, requested on 1889-09-27, of Otto E. Weidlich, Weidlich. Fountain-pen.
- Patent n° US-423804, of 1890-03-18, requested on 1889-09-28, of George S. Parker, The Parker Pen Company. Fountain-pen.
- Patent n° US-426692, of 1890-04-29, requested on 1889-09-20, of William W. Stewart, Swan. Fountain-pen.
- Patent n° US-455023, of 1891-06-30, requested on 1890-11-26, of George S. Parker, The Parker Pen Company. Fountain-pen.
- Patent n° US-480751, of 1892-08-16, requested on 1890-01-20, of William W. Stewart, Swan. Fountain-pen.
- Patent n° US-485795, of 1892-11-08, requested on 1892-02-29, of John A. Holland, John Holland Pen Company. Fountain-pen.
- Patent n° US-491795, of 1893-02-14, requested on 1890-05-14, of David W. Beaumel, Beaumel. Fountain-pen.
- Patent n° US-510439, of 1893-12-12, requested on 1892-12-14, of George S. Parker, The Parker Pen Company. Fountain-pen.
- Patent n° US-512319, of 1894-01-09, requested on 1893-11-01, of George S. Parker, The Parker Pen Company. Fountain-pen.
- Patent n° US-533350, of 1895-01-29, requested on 1893-06-14, of Walter F. Cushing, Moore Pen Company. Fountain-pen.
- Patent n° US-556522, of 1896-03-17, requested on 1895-10-14, of Otto E. Weidlich, Weidlich. Fountain-pen.
- Patent n° US-559422, of 1896-05-05, requested on 1895-09-27, of Lewis E. Waterman, Waterman. Fountain-pen.
- Patent n° US-592847, of 1897-11-02, requested on 1897-01-06, of Arthur A. Waterman, A. A. Waterman. Fountain-pen.
- Patent n° US-603463, of 1898-05-03, requested on 1897-03-26, of David W. Beaumel, Beaumel. Fountain-pen.
- Patent n° US-606231, of 1898-06-28, requested on 1897-07-26, of George S. Parker, The Parker Pen Company. Fountain-pen.
- Patent n° US-607397, of 1898-07-12, requested on 1897-08-24, of Lewis E. Waterman, Waterman. Fountain-pen.
- Patent n° US-607398, of 1898-07-12, requested on 1897-08-24, of Lewis E. Waterman, Waterman. Fountain pen.
- Patent n° US-607399, of 1898-07-12, requested on 1897-08-24, of Lewis E. Waterman, Waterman. Fountain-pen.
- Patent n° US-607400, of 1898-07-12, requested on 1897-09-22, of Lewis E. Waterman, Waterman. Fountain-pen.
- Patent n° US-607401, of 1898-07-12, requested on 1897-09-22, of Lewis E. Waterman, Waterman. Fountain-pen.
- Patent n° US-610428, of 1898-09-06, requested on 1898-06-30, of Claes W. Boman, Eagle. Fountain-pen.
- Patent n° US-619701, of 1899-02-14, requested on 1897-03-08, of Arthur A. Waterman, A. A. Waterman, Sterling Fountain Pen. Fountain-pen.
- Patent n° US-625722, of 1899-05-23, requested on 1898-08-24, of William I. Ferris, Waterman. Fountain-pen.
- Patent n° US-634398, of 1899-10-03, requested on 1899-08-04, of Dewitt C. Demarest, Eagle. Fountain-pen.
- Patent n° US-638779, of 1899-12-12, requested on 1899-08-16, of Arthur A. Waterman, A. A. Waterman. Fountain-pen.
- Patent n° US-648839, of 1900-05-01, requested on 1900-03-10, of Claes W. Boman, Eagle. Fountain-pen.
- Patent n° US-677008, of 1901-06-25, requested on 1900-10-26, of Walter W. Winton, Eagle. Fountain-pen.
- Patent n° US-679790, of 1901-08-06, requested on 1901-03-05, of William W. Stewart, Swan. Fountain-pen.
- Patent n° US-698881, of 1902-04-29, requested on 1896-02-01, of Lewis E. Waterman, Waterman. Fountain-pen.
- Patent n° US-703418, of 1902-07-01, requested on 1902-03-17, of John A. Holland, John Holland Pen Company. Fountain-pen.