Drilldown: Patents

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Patents > Filing date: 1890 - 1899 & Number of claims: 3-5 & Number of diagram pages: 2-10

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None (12)
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Tech fields:
propulsion (18) · LTA (18) · navigation (14) · frame (14) · balloon (10) · None (7) · stability (6) · flapping (5) · car (5) · propeller (4)
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None (17) · GB 4 propel & steer (5) · CH 115 (3) · DE 77 (3) · USPC 244/30 (2) · USPC 244/26 (2) · GB 4 without buoyant (2)
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