Drilldown: Patents

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Patents > Applicant firm: None & Filing date: 1906 & Number of claims: 6-40

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flapping (10) · navigation (10) · LTA (10) · airplane (9) · propulsion (8) · stability (7) · None (5) · ornithopter (5) · frame (5) · rudder (4) · airfoil (4) · propeller (4) · hybrid (4) · helicopter (4) · military (3) · human-powered (3) · landing (3) · car (3)
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None (7) · USPC 244/22 (4) · FR 6.4 (3) · USPC 244/64 (3) · USPC 244/30 (2) · USPC 244/6 (2) · USPC 244/9 (2)
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