Drilldown: Patents

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Patents > Applicant firm: None & Filing date: 1912 & Publication date: December 1912

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Airplane (14) · design (8) · stability (5) · frame (5) · wings (4) · propulsion (4) · propellers (4) · aerodynamics (4) · chassis (3) · helicopter (2) · whole (2) · wheels (2) · sustentation (2) · parachutes (2) · lift (2) · landing (2) · None (2) · control (2) · automatic stability (2)
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Showing below up to 26 results in range #1 to #26.

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