Drilldown: Patents

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Patents > Office : AU or BE or JP & Granted: Yes & National tech categories : BE 11e or GB 4 propel & steer or USPC 244/80 or None

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design (6) · None (5) · airplane (4) · frame (4) · propulsion (4) · navigation (3) · Propellers (3) · stability (3) · Construction (3) · takeoff (3) · Wings (3) · LTA (3) · lift (2) · rudder (2) · wheels (2) · Whole (2) · marine (2) · landing (2) · flapping (2) · control (2)
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Showing below up to 28 results in range #1 to #28.

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