Drilldown: Patents

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Patents > Assigned to: None & National tech categories : GB 4 propel & steer or USPC 244/90R & First filing: No

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propulsion (6) · navigation (5) · frame (5) · LTA (4) · stability (4) · rudder (4) · airplane (4) · propeller (3) · landing (3) · whole (3) · wheels (3) · marine (2) · electricity (2) · flapping (2) · takeoff (2) · propellers (2) · hybrid (2) · design (2)
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Showing below up to 13 results in range #1 to #13.

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