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Patents > Year filed: 1908 & CPCs : CPC B64C33/02 or CPC B64C39/005

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Year filed:
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Inventors:
Paul Hochstrasser (2) · Manfredo Ferrero (2)
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Applicant person:
Paul Hochstrasser (2) · None (2)
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Tech fields:
flapping (13) · None (12) · propulsion (12) · wings (9) · Airplane (7) · propeller (6) · design (6) · ornithopter (6) · frame (5) · stability (4) · navigation (4) · aerodrome (4) · Propellers (4) · airfoil (3) · hybrid (3) · parachute (3) · Heavier-than-air (3) · takeoff (3)
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None (7)
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