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Patents > Applicant person : Alfred John Macy or Elías R. Guerra or Gustav Mees

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stability (32) · airplane (11) · hybrid (11) · None (9) · propellers (9) · gyroscope (8) · control (7) · propeller (6) · design (6) · helicopter (6) · takeoff (5) · frame (5) · landing (4) · automatic stability (4) · hydroplane (4) · ascension (3)
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Showing below up to 56 results in range #1 to #56.

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