Drilldown: Patents

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Patents > IPCs : IPC B64C31/00 or IPC B64C33/02 & Family year: 1800 - 1899

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kite (16) · flapping (7) · LTA (6) · frame (5) · ornithopter (4) · propulsion (4) · control (3) · parachute (3) · fun (3) · marine (3) · airship (3) · balloon (2) · navigation (2) · wings (2) · airfoil (2) · glider (2) · stability (2) · whole (2) · sail (2) · track (2)
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Showing below up to 35 results in range #1 to #35.

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