Drilldown: Patents

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Patents > Year granted: 1800 - 1899 & Tech fields: Propulsion & Number of figures: 5-10

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Inventors:
Hiram Stevens Maxim (2) · Burr Frank Barnes (2) · Richard Czygan (2) · Joseph Hofmann (2) · Heinrich Suter (2) · Fritz Alexander Jone (2)
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Applicant person:
None (16) · Fritz Alexander Jone (2) · Joseph Hofmann (2) · Richard Czygan (2)
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National tech categories:
DE 77 (12) · None (9) · GB 4 propel & steer (5) · USPC 244/30 (5) · USPC 244/64 (4) · GB 4 without buoyant (4) · USPC 244/28 (4) · USPC 244/99 (3) · USPC 244/70 (3) · GB 4 motors (3) · USPC 244/51 (3) · USPC 244/26 (3) · USPC 244/20 (2) · USPC 416/116 (2) · USPC 244/73R (2) · USPC 244/27 (2) · DE 77h (2) · GB 4 aëroplanes (2)
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