Drilldown: Patents

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Patents > National tech categories : HU V/h or USPC 244/64 & Number of claims: 6-7

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airplane (16) · frame (12) · design (9) · Airship (8) · LTA (7) · propellers (7) · Construction (7) · subsystem (6) · Flapping (6) · human-powered (5) · whole (5) · Dirigibles (4) · Control (3) · wings (3) · stability (3) · hybrid (3) · propulsion (3) · helicopter (3)
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Showing below up to 44 results in range #1 to #44.

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