Drilldown: Patents

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Patents > Patent agent : Armengaud jeune or None & IPCs : IPC B64C3/00 or IPC B64C33/00 & Family year: 1900 - 1909

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airplane (11) · flapping (10) · frame (8) · navigation (8) · Propulsion (7) · wings (6) · ornithopter (6) · stability (6) · propeller (4) · hybrid (4) · lift (3) · None (3) · construction (3) · airfoil (3) · rudder (3)
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Showing below up to 29 results in range #1 to #29.

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