Drilldown: Patents

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Patents > Applicant firm: None & Publication date: 1911 & IPCs : IPC B64C3/00 or IPC B64C39/00 & Number of claims: 1-2

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Design (11) · Airplane (11) · Aerodynamics (7) · wings (6) · propulsion (5) · frame (5) · None (5) · Lift (4) · sustentation (4) · propellers (4) · flapping (3) · aeroplane (3) · Construction (3)
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Showing below up to 32 results in range #1 to #32.

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