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This page provides a simple browsing interface for finding entities described by a property and a named value. Other available search interfaces include the page property search, and the ask query builder.
Elenco dei risultati
- File:Patent-FR-530688.pdf + (Jean-Marie Cavaillé)
- File:Patent-US-733491.pdf + (Jessie I. Litchfield)
- File:Patent-DK-52984.pdf + (Johannes Iversen)
- File:Patent-US-2143601.pdf + (Johannes Iversen)
- File:Patent-CH-197313.pdf + (Johannes Iversen)
- File:Patent-GB-466012.pdf + (Johannes Iversen)
- File:Patent-BE-426288.pdf + (Johannes Iversen)
- File:Patent-FR-822646.pdf + (Johannes Iversen)
- File:Patent-NL-43662.pdf + (Johannes Iversen)
- File:Patent-US-821940.pdf + (John A. Holland)
- File:Patent-US-1876298.pdf + (John A. Holland)
- File:Patent-US-683763.pdf + (John A. Holland)
- File:Patent-US-703418.pdf + (John A. Holland)
- File:Patent-US-804847.pdf + (John A. Holland)
- File:Patent-US-863029.pdf + (John A. Holland)
- File:Patent-US-885753.pdf + (John A. Holland)
- File:Patent-US-1152509.pdf + (John A. Holland)
- File:Patent-US-211575.pdf + (John A. Holland)
- File:Patent-US-202655.pdf + (John A. Holland)
- File:Patent-US-269290.pdf + (John A. Holland)
- File:Patent-US-202654.pdf + (John A. Holland)
- File:Patent-US-258299.pdf + (John A. Holland)
- File:Patent-US-132008.pdf + (John A. Holland)
- File:Patent-US-180715.pdf + (John A. Holland)
- File:Patent-US-351033.pdf + (John A. Holland)
- File:Patent-US-275912.pdf + (John A. Holland)
- File:Patent-US-159513.pdf + (John A. Holland)
- File:Patent-US-258298.pdf + (John A. Holland)
- File:Patent-US-279388.pdf + (John A. Holland)
- File:Patent-US-292313.pdf + (John A. Holland)
- File:Patent-US-298582.pdf + (John A. Holland)
- File:Patent-US-426813.pdf + (John A. Holland)
- File:Patent-US-415838.pdf + (John A. Holland)
- File:Patent-US-485795.pdf + (John A. Holland)
- File:Patent-US-118367.pdf + (John A. Holland)
- File:Patent-US-135118.pdf + (John A. Holland)
- File:Patent-US-241216.pdf + (John A. Holland)
- File:Patent-US-285895.pdf + (John A. Holland)
- File:Patent-US-2149557.pdf + (John A. Snodgrass)
- File:Patent-US-734116.pdf + (John Blair)
- File:Patent-US-1351552.pdf + (John Bricken)
- File:Patent-US-D181705.pdf + (John Bruce)
- File:Patent-US-D185263.pdf + (John Bruce)
- File:Patent-US-940247.pdf + (John C. Haring)
- File:Patent-US-1735224.pdf + (John C. Wahl)
- File:Patent-US-2427243.pdf + (John C. Wahl)
- File:Patent-US-1613812.pdf + (John C. Wahl)
- File:Patent-US-1779836.pdf + (John C. Wahl)
- File:Patent-US-1351591.pdf + (John C. Wahl)
- File:Patent-US-1365754.pdf + (John C. Wahl)
- File:Patent-US-1415211.pdf + (John C. Wahl)
- File:Patent-US-1395316.pdf + (John C. Wahl)
- File:Patent-US-1279186.pdf + (John C. Wahl)
- File:Patent-US-1562267.pdf + (John C. Wahl)
- File:Patent-US-1490686.pdf + (John C. Wahl)
- File:Patent-US-1585805.pdf + (John C. Wahl)
- File:Patent-US-1613810.pdf + (John C. Wahl)
- File:Patent-US-1334332.pdf + (John C. Wahl)
- File:Patent-US-1349025.pdf + (John C. Wahl)
- File:Patent-US-1465957.pdf + (John C. Wahl)
- File:Patent-US-1490244.pdf + (John C. Wahl)
- File:Patent-US-1567823.pdf + (John C. Wahl)
- File:Patent-US-1567824.pdf + (John C. Wahl)
- File:Patent-US-1574266.pdf + (John C. Wahl)
- File:Patent-US-1586541.pdf + (John C. Wahl)
- File:Patent-US-1624194.pdf + (John C. Wahl)
- File:Patent-US-1800330.pdf + (John C. Wahl)
- File:Patent-US-1506795.pdf + (John C. Wahl)
- File:Patent-US-2427033.pdf + (John C. Wahl)
- File:Patent-US-2483329.pdf + (John C. Wahl)
- File:Patent-US-D056681.pdf + (John C. Wahl)
- File:Patent-US-D058693.pdf + (John C. Wahl)
- File:Patent-US-D057403.pdf + (John C. Wahl)
- File:Patent-US-D057404.pdf + (John C. Wahl)
- File:Patent-US-D057405.pdf + (John C. Wahl)
- File:Patent-US-D058516.pdf + (John C. Wahl)
- File:Patent-US-1301341.pdf + (John C. Wahl)
- File:Patent-US-1490245.pdf + (John C. Wahl)
- File:Patent-US-1490246.pdf + (John C. Wahl)
- File:Patent-US-1490247.pdf + (John C. Wahl)
- File:Patent-US-1782108.pdf + (John C. Wahl)
- File:Patent-US-RE16145.pdf + (John C. Wahl)
- File:Patent-US-1428195.pdf + (John C. Wahl)
- File:Patent-US-1506207.pdf + (John C. Wahl)
- File:Patent-US-1574457.pdf + (John C. Wahl)
- File:Patent-US-1578565.pdf + (John C. Wahl)
- File:Patent-CA-234983.pdf + (John D. Turner)
- File:Patent-US-1469921.pdf + (John Dutchak)
- File:Patent-US-1335580.pdf + (John E. Hayes)
- File:Patent-US-1867932.pdf + (John E. Wahl)
- File:Patent-GB-164043.pdf + (John Edward Hayes)
- File:Patent-US-1791776.pdf + (John Estabrook Wahl)
- File:Patent-US-1809416.pdf + (John G. Liddel)
- File:Patent-US-1425871.pdf + (John G. Liddel)
- File:Patent-US-1556701.pdf + (John G. Liddel)
- File:Patent-US-1482568.pdf + (John H. Kritikson)
- File:Patent-CA-255206.pdf + (John H. Kritikson)
- File:Patent-US-2258030.pdf + (John H. Oxley)
- File:Patent-US-D058694.pdf + (John H. Worthy)
- File:Patent-US-D059052.pdf + (John H. Worthy)
- File:Patent-US-D096914.pdf + (John Hill)
- File:Patent-US-1531800.pdf + (John J. Lynagh)
- File:Patent-GB-114801.pdf + (John James)
- File:Patent-US-1339359.pdf + (John Kritikson)
- File:Patent-US-1372011.pdf + (John L. De Maria)
- File:Patent-US-D151661.pdf + (John M. Sherrer)
- File:Patent-US-11762.pdf + (John Mabie)
- File:Patent-US-D143176.pdf + (John N. Whitehouse)
- File:Patent-US-836905.pdf + (John N. Whitehouse)
- File:Patent-US-448360.pdf + (John Oliphant)
- File:Patent-GB-586917.pdf + (John Pinkney Gowland)
- File:Patent-US-726495.pdf + (John S. Barnes)
- File:Patent-US-474940.pdf + (John S. Barnes)
- File:Patent-US-844575.pdf + (John S. Barnes)
- File:Patent-US-844576.pdf + (John S. Barnes)
- File:Patent-US-848620.pdf + (John S. Barnes)
- File:Patent-US-716489.pdf + (John Slater)
- File:Patent-US-1408545.pdf + (John Straka)
- File:Patent-US-787152.pdf + (John T. Davison)
- File:Patent-GB-190400459.pdf + (John Everard Langill)
- File:Patent-US-D118872.pdf + (John Vassos)
- File:Patent-US-D118873.pdf + (John Vassos)
- File:Patent-US-2365473.pdf + (David Kahn)
- File:Patent-US-2377444.pdf + (John William Para)
- File:Patent-US-2293622.pdf + (John William Para)
- File:Patent-US-2293623.pdf + (John William Para)
- File:Patent-US-2312928.pdf + (John William Para)
- File:Patent-US-2337343.pdf + (John William Para)
- File:Patent-US-2339290.pdf + (John William Para)
- File:Patent-US-2339860.pdf + (David Kahn)
- File:Patent-US-2548906.pdf + (John William Para)
- File:Patent-GB-688902.pdf + (Jonh George Burnham)
- File:Patent-US-2756722.pdf + (Josef C. Lamy)
- File:Patent-US-3539267.pdf + (Josef C. Lamy)
- File:Patent-DE-907750.pdf + (Josef C. Lamy)
- File:Patent-DE-570012.pdf + (Josef C. Lamy)
- File:Patent-DE-863767.pdf + (Josef C. Lamy)
- File:Patent-DE-824455.pdf + (Josef C. Lamy)
- File:Patent-DE-851465.pdf + (Josef C. Lamy)
- File:Patent-DE-873365.pdf + (Josef C. Lamy)
- File:Patent-DE-854167.pdf + (Josef C. Lamy)
- File:Patent-DE-827908.pdf + (Josef C. Lamy)
- File:Patent-DE-809514.pdf + (Josef C. Lamy)
- File:Patent-DE-856114.pdf + (Josef C. Lamy)
- File:Patent-DE-974635.pdf + (Josef C. Lamy)
- File:Patent-CH-350570.pdf + (Josef C. Lamy)
- File:Patent-DE-1034066.pdf + (Josef C. Lamy)
- File:Patent-DE-1004522.pdf + (Josef C. Lamy)
- File:Patent-DE-936914.pdf + (Josef C. Lamy)
- File:Patent-DE-840521.pdf + (Josef C. Lamy)
- File:Patent-DE-845322.pdf + (Josef C. Lamy)
- File:Patent-DE-1008147.pdf + (Josef C. Lamy)
- File:Patent-DE-907749.pdf + (Josef C. Lamy)
- File:Patent-DE-926653.pdf + (Josef C. Lamy)
- File:Patent-DE-1026662.pdf + (Josef C. Lamy)
- File:Patent-DE-1718469U.pdf + (Josef C. Lamy)
- File:Patent-DE-1696470U.pdf + (Josef C. Lamy)
- File:Patent-DE-867213.pdf + (Josef C. Lamy)
- File:Patent-DE-867212.pdf + (Josef C. Lamy)
- File:Patent-DE-801614.pdf + (Josef Ganter)
- File:Patent-US-1124750.pdf + (Joseph A. Kracker)
- File:Patent-US-1170825.pdf + (Joseph A. Kracker)
- File:Patent-US-1007619.pdf + (Joseph A. Vogelmann)
- File:Patent-US-D088821.pdf + (Joseph B. Platt)
- File:Patent-US-1853316.pdf + (Oscar F. Nilsson)
- File:Patent-US-1902091.pdf + (Oscar F. Nilsson)
- File:Patent-US-D182164.pdf + (Joseph Carreiro)
- File:Patent-US-D182162.pdf + (Joseph Carreiro)
- File:Patent-US-D182163.pdf + (Joseph Carreiro)
- File:Patent-US-686920.pdf + (Joseph F. Betzler)
- File:Patent-US-799297.pdf + (Joseph F. Betzler)
- File:Patent-US-1495890.pdf + (Joseph F. Day)
- File:Patent-US-1080197.pdf + (Joseph G. Coffin)
- File:Patent-US-2409869.pdf + (Joseph J. Kelley)
- File:Patent-US-976815.pdf + (Joseph Lipic)
- File:Patent-FR-691384.pdf + (Joseph Michel Alphonse Luis Carre)
- File:Patent-BE-371161.pdf + (Joseph Michel Alphonse Luis Carre)
- File:Patent-US-122047.pdf + (Joseph Monaghan)
- File:Patent-AT-85902.pdf + (Joseph Müller)
- File:Patent-US-1020221.pdf + (Joseph Rauchenecker)
- File:Patent-US-D150320.pdf + (Joseph Starr)
- File:Patent-US-2418218.pdf + (Hans A. Bauer)
- File:Patent-US-D142751.pdf + (Joseph Tully)
- File:Patent-CA-477244.pdf + (Joseph Tully)
- File:Patent-US-1943048.pdf + (Joseph Wallace)
- File:Patent-US-2356109.pdf + (Joseph Wallace)
- File:Patent-US-2217502.pdf + (Joseph Wallace)
- File:Patent-US-2111518.pdf + (Joseph Wallace)
- File:Patent-US-955517.pdf + (Joseph Warren Kessel)
- File:Patent-US-2519675.pdf + (Joshua G. Lippincott)
- File:Patent-US-D146181.pdf + (Joshua Gordon Lippincott)
- File:Patent-US-1999966.pdf + (José Andrés y Hernandez)
- File:Patent-US-2397229.pdf + (Jozsef Laszlo Biro)
- File:Patent-US-2400679.pdf + (Jozsef Laszlo Biro)
- File:Patent-US-2491082.pdf + (Jozsef Laszlo Biro)
- File:Patent-US-2258841.pdf + (Jozsef Laszlo Biro)
- File:Patent-US-2413904.pdf + (Jozsef Laszlo Biro)
- File:Patent-US-2435123.pdf + (Jozsef Laszlo Biro)
- File:Patent-US-1641846.pdf + (Jules A. Fremon)
- File:Patent-US-1675543.pdf + (Jules A. Fremon)
- File:Patent-US-1782109.pdf + (Jules A. Fremon)
- File:Patent-US-1574919.pdf + (Julian H. Murdock)
- File:Patent-US-1134936.pdf + (Julius Abegg)
- File:Patent-US-1745483.pdf + (Julius F. Hansen)
- File:Patent-US-2009182.pdf + (Julius Kahn)
- File:Patent-US-2249004.pdf + (David Kahn)
- File:Patent-US-2293621.pdf + (John William Para)
- File:Patent-US-1144436.pdf + (Julius L. Schnell)
- File:Patent-US-D073416.pdf + (Julius L. Schnell)
- File:Patent-US-776428.pdf + (Julius L. Schnell)
- File:Patent-US-1060137.pdf + (Julius L. Schnell)
- File:Patent-US-1053879.pdf + (Julius L. Schnell)
- File:Patent-US-1357083.pdf + (Julius L. Schnell)
- File:Patent-FR-479060.pdf + (Julius L. Schnell)
- File:Patent-US-2120652.pdf + (Julius L. Schnell)
- File:Patent-US-1895736.pdf + (Julius L. Schnell)
- File:Patent-US-2964012.pdf + (Julius M. Kahn)
- File:Patent-DE-265018.pdf + (Justin Gilbert)
- File:Patent-DK-25155C.pdf + (Jörgen Thorvald Andersen)
- File:Patent-US-1336119.pdf + (Jörgen Thorvald Andersen)
- File:Patent-GB-127562.pdf + (Jörgen Thorvald Andersen)
- File:Patent-AT-81466B.pdf + (Jörgen Thorvald Andersen)
- File:Patent-DE-326796.pdf + (Jörgen Thorvald Andersen)
- File:Patent-FR-497658.pdf + (Jörgen Thorvald Andersen)
- File:Patent-DK-25360C.pdf + (Jörgen Thorvald Andersen)
- File:Patent-GB-380267.pdf + (Kabushiki Kaisha Namiki Seisakusho)
- File:Patent-GB-410437.pdf + (Kabushiki Kaisha Namiki Seisakusho)
- File:Patent-GB-450343.pdf + (Kabushiki Kaisha Namiki Seisakusho)
- File:Patent-GB-387844.pdf + (Kabushiki Kaisha Namiki Seisakusho)
- File:Patent-GB-359830.pdf + (Kabushiki Kaisha Namiki Seisakusho)
- File:Patent-FR-826105.pdf + (Kabushikikaisha Namiki Seisaku)
- File:Patent-NL-48900C.pdf + (Kabushikikaisha Namiki Seisakusho)
- File:Patent-CH-24220.pdf + (Georg Fend)
- File:Patent-GB-220435.pdf + (Karl Fend)
- File:Patent-FR-570444.pdf + (Karl Fend)
- File:Patent-GB-284529.pdf + (Karl Fend)
- File:Patent-GB-347540.pdf + (Karl Fend)
- File:Patent-GB-189923550.pdf + (Johannes Paul Steinbach)
- File:Patent-US-2396058.pdf + (Karl Rath)
- File:Patent-US-1208653.pdf + (Karl Räuchle)
- File:Patent-US-2141989.pdf + (Karl Weisser)
- File:Patent-US-2153488.pdf + (Karl Weisser)
- File:Patent-US-2377444.pdf + (Karl Weisser)
- File:Patent-US-2605745.pdf + (Karl Weisser)
- File:Patent-US-2605746.pdf + (Karl Weisser)
- File:Patent-US-2624315.pdf + (Karl Weisser)
- File:Patent-US-2642842.pdf + (Karl Weisser)
- File:Patent-US-2692580.pdf + (Karl Weisser)
- File:Patent-US-2951465.pdf + (Karl Weisser)
- File:Patent-US-D114095.pdf + (Karl Weisser)
- File:Patent-DE-820253.pdf + (Karl Ziegler)
- File:Patent-US-3399946.pdf + (Sadao Tokorozawa)
- File:Patent-GB-807974.pdf + (Kenneth Buckingham Robinson)
- File:Patent-US-D191555.pdf + (Kenneth Parker)
- File:Patent-US-D205872.pdf + (Kenneth Parker)
- File:Patent-US-1793824.pdf + (Kenneth S. Parker)
- File:Patent-US-D116098.pdf + (Kenneth S. Parker)
- File:Patent-US-1853876.pdf + (Kenneth S. Parker)
- File:Patent-US-1920770.pdf + (Ivan D. Tefft)
- File:Patent-US-D116097.pdf + (Kenneth S. Parker)
- File:Patent-US-1818743.pdf + (Kenneth S. Parker)
- File:Patent-US-1819383.pdf + (Kenneth S. Parker)
- File:Patent-US-1821477.pdf + (Kenneth S. Parker)
- File:Patent-US-1916808.pdf + (Kenneth S. Parker)
- File:Patent-US-2386500.pdf + (Kenneth S. Parker)
- File:Patent-US-2506035.pdf + (Kenneth S. Parker)
- File:Patent-US-D102799.pdf + (Kenneth S. Parker)
- File:Patent-US-D102800.pdf + (Kenneth S. Parker)
- File:Patent-US-D102801.pdf + (Kenneth S. Parker)
- File:Patent-US-D179425.pdf + (Kenneth S. Parker)
- File:Patent-US-D081254.pdf + (Kenneth S. Parker)
- File:Patent-DE-835414.pdf + (Ernst Rösler)
- File:Patent-US-2080372.pdf + (Konrad Kressel)
- File:Patent-US-2167815.pdf + (Ernst Rösler)
- File:Patent-US-2986119.pdf + (Ernst Rösler)
- File:Patent-DE-669115.pdf + (Heinrich Schwarting)
- File:Patent-DE-689598.pdf + (Heinrich Schwarting)
- File:Patent-DE-683548.pdf + (Heinrich Schwarting)
- File:Patent-DE-689744.pdf + (Heinrich Schwarting)
- File:Patent-DE-761937.pdf + (Heinrich Schwarting)
- File:Patent-DE-850124.pdf + (Konrad Kressel)
- File:Patent-DE-816965.pdf + (Ernst Rösler)
- File:Patent-DE-804532.pdf + (Ernst Rösler)
- File:Patent-DE-846221.pdf + (Ernst Rösler)
- File:Patent-DE-804767.pdf + (Ernst Rösler)
- File:Patent-DE-838871.pdf + (Ernst Rösler)
- File:Patent-DE-900908.pdf + (Ernst Rösler)
- File:Patent-DE-929470.pdf + (Ernst Rösler)
- File:Patent-DE-933553.pdf + (Ernst Rösler)
- File:Patent-DE-936849.pdf + (Ernst Rösler)
- File:Patent-DE-963224.pdf + (Ernst Rösler)
- File:Patent-DE-1009969.pdf + (Ernst Rösler)
- File:Patent-DE-1014459.pdf + (Ernst Rösler)
- File:Patent-ES-215091.pdf + (Ernst Rösler)
- File:Patent-FR-807275.pdf + (Kurt Fend)
- File:Patent-FR-823652.pdf + (Kurt Fend)
- File:Patent-GB-474736.pdf + (Kurt Fend)
- File:Patent-US-2136290.pdf + (Kurt Fend)
- File:Patent-CH-193646.pdf + (Kurt Fend)
- File:Patent-GB-482097.pdf + (Kurt Fend)
- File:Patent-US-2163515.pdf + (Kurt Fend)
- File:Patent-DE-652024.pdf + (Kurt Fend)
- File:Patent-CH-194208.pdf + (Kurt Fend)
- File:Patent-GB-478118.pdf + (Kurt Fend)
- File:Patent-DE-664392.pdf + (Kurt Fend)
- File:Patent-US-D146806.pdf + (Laszlo Moholy-Nagy)
- File:Patent-US-2503061.pdf + (Laszlo Moholy-Nagy)
- File:Patent-US-2510648.pdf + (Laszlo Moholy-Nagy)
- File:Patent-US-D185581.pdf + (Clemens A. Sonntag)
- File:Patent-US-D145734.pdf + (Lawrence W. Kendrick)
- File:Patent-US-D028838.pdf + (Le Roy C. Fairchild)
- File:Patent-US-2949887.pdf + (Lynn P. Martin)
- File:Patent-GB-793269.pdf + (Leon Bagrit)
- File:Patent-US-1800425.pdf + (Leon H. Ashmore)
- File:Patent-US-1918239.pdf + (Leon H. Ashmore)
- File:Patent-US-1975775.pdf + (Leon H. Ashmore)
- File:Patent-US-1999177.pdf + (Leon H. Ashmore)
- File:Patent-US-2152436.pdf + (Leon H. Ashmore)
- File:Patent-US-2176661.pdf + (Leon H. Ashmore)
- File:Patent-US-2037699.pdf + (Leon H. Ashmore)
- File:Patent-US-2159002.pdf + (Leon H. Ashmore)
- File:Patent-US-2159003.pdf + (Leon H. Ashmore)
- File:Patent-US-2228250.pdf + (Leon H. Ashmore)
- File:Patent-US-D116005.pdf + (Leon H. Ashmore)
- File:Patent-GB-412610.pdf + (Edward S. Wood)
- File:Patent-US-2222599.pdf + (Leon Hehl Ashmore)
- File:Patent-US-1070496.pdf + (Leopold Da Costa Levy)
- File:Patent-FR-784223.pdf + (Leopold Kutter)
- File:Patent-GB-445752.pdf + (Leopold Kutter)
- File:Patent-US-2092459.pdf + (Leopold Kutter)
- File:Patent-US-1964125.pdf + (Leopold Kutter)
- File:Patent-GB-392482.pdf + (Leopold Kutter)
- File:Patent-GB-364436.pdf + (Leopold Kutter)
- File:Patent-GB-312180.pdf + (Leopold Kutter)
- File:Patent-CA-366351.pdf + (Leopold Kutter)
- File:Patent-DE-582622.pdf + (Leopold Kutter)
- File:Patent-DE-531249.pdf + (Leopold Kutter)
- File:Patent-DE-573413.pdf + (Leopold Kutter)
- File:Patent-DE-581704.pdf + (Leopold Kutter)
- File:Patent-CA-341601.pdf + (Leopold Kutter)
- File:Patent-GB-336878.pdf + (Leopold Kutter)
- File:Patent-FR-730201.pdf + (Leopold Kutter)
- File:Patent-FR-675368.pdf + (Leopold Kutter)
- File:Patent-GB-194895.pdf + (Leslie Roy Wade)
- File:Patent-FR-561704.pdf + (Leslie Roy Wade)
- File:Patent-US-1493833.pdf + (Leslie Roy Wade)
- File:Patent-DE-401710.pdf + (Leslie Roy Wade)
- File:Patent-GB-224084.pdf + (Leslie Roy Wade)
- File:Patent-GB-243110.pdf + (Leslie Roy Wade)
- File:Patent-FR-603093.pdf + (Leslie Roy Wade)
- File:Patent-CA-264967.pdf + (Leslie Roy Wade)
- File:Patent-CA-238293.pdf + (Leslie Roy Wade)
- File:Patent-AT-98903.pdf + (Leslie Roy Wade)
- File:Patent-GB-479937.pdf + (Leslie William Johnson)
- File:Patent-GB-480717.pdf + (Leslie William Johnson)
- File:Patent-GB-480965.pdf + (Leslie William Johnson)
- File:Patent-GB-474893.pdf + (Leslie William Johnson)
- File:Patent-GB-514513.pdf + (Leslie William Johnson)
- File:Patent-GB-527422.pdf + (Leslie William Johnson)
- File:Patent-GB-623767.pdf + (Leslie William Johnson)
- File:Patent-GB-621822.pdf + (Leslie William Johnson)
- File:Patent-US-2392942.pdf + (Lester W. Ormsby)
- File:Patent-US-844061.pdf + (Levi D. Van Valenburg)
- File:Patent-US-886095.pdf + (Levi D. Van Valenburg)
- File:Patent-US-1250533.pdf + (Levi D. Van Valenburg)
- File:Patent-GB-191103257.pdf + (Levi D. Van Valenburg)
- File:Patent-US-607398.pdf + (Lewis E. Waterman)
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