Drilldown: Patents

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Patents > Grant date: 1800 - 1899 & Related to aircraft: 1 & Number of claims: 3-4

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None (11)
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Tech fields:
LTA (23) · propulsion (17) · navigation (15) · kite (9) · frame (9) · balloon (8) · car (8) · propeller (7) · flapping (4) · stability (4) · None (4) · cargo (4) · military (3) · design (3) · electricity (3) · human-powered (3)
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None (8) · USPC 244/153R (6) · GB 4 propel & steer (3) · DE 77 (3) · USPC 244/30 (3) · USPC 244/99 (2) · USPC 244/6 (2) · USPC 244/26 (2) · USPC 244/27 (2) · GB 4 with buoyant (2)
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Showing below up to 53 results in range #1 to #53.

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