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Patents > Filing date: December 1909 & Family year: 1909 & First filing: No

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airplane (19) · design (14) · wings (11) · propellers (11) · frame (9) · construction (8) · None (7) · wheels (7) · takeoff (7) · subsystem (7) · navigation (7) · stability (6) · LTA (6) · human-powered (6) · Control (5) · Propulsion (3) · Rudder (3) · Aerodynamics (3)
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Showing below up to 39 results in range #1 to #39.

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