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Patents > Applicant person : Antoine-Padoue Filippi or Fred W. Ladd or Gustav Mees

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Propellers (23) · propulsion (17) · airplane (15) · stability (12) · hybrid (11) · propeller (11) · None (11) · subsystem (9) · gyroscope (8) · design (8) · Helicopter (7) · aerodynamics (6) · ascension (5) · takeoff (5) · marine (5) · frame (5)
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Showing below up to 63 results in range #1 to #63.

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