Drilldown: Patents

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Patents > Inventor location: Hérault & Assigned to : William B Keep or None

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Propulsion (5) · stability (5) · hybrid (4) · Coleopter (4) · airplane (3) · ascension (3) · LTA (3) · propellers (3) · wings (2) · metal (2) · landing (2) · heavier-than-air (2) · flapping (2) · safety (2) · control (2) · sustentation (2) · automatic stability (2) · ornithopter (2)
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Showing below up to 16 results in range #1 to #16.

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