Drilldown: Patents

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Patents > Grant date: 1907 & Number of claims: 7-60

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propulsion (14) · LTA (13) · navigation (13) · stability (10) · propeller (9) · airplane (9) · flapping (8) · frame (7) · hybrid (7) · car (6) · rudder (5) · airfoil (5) · Helicopter (3) · ornithopter (3) · balloon (3) · landing (3)
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None (8) · FR 6.4 (3) · USPC 244/70 (3) · USPC 244/22 (3) · USPC 244/51 (2) · USPC 244/30 (2)
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