Drilldown: Patents

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Patents > Applicant is inventor: Yes & Patent agent : Armengaud jeune or E. Blétry & IPCs : IPC B64C23/00 or IPC B64C39/00

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airplane (18) · design (12) · wings (7) · propulsion (6) · propellers (6) · Lift (6) · Chassis (5) · aerodynamics (5) · sustentation (5) · stability (5) · Frame (3) · Control (3) · None (3) · biplane (3) · Aileron (3)
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Showing below up to 33 results in range #1 to #33.

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