Drilldown: Patents

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Patents > National tech categories : GB 4 propel & steer or USPC 416/60 & Number of text pages: 3-7

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propulsion (10) · navigation (8) · propeller (4) · LTA (4) · wings (3) · flapping (3) · frame (3) · design (3) · car (3) · marine (3) · rudder (3) · takeoff (2) · hybrid (2) · electricity (2) · subsystem (2) · balloon (2) · airplane (2) · stability (2) · heavier-than-air (2)
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Showing below up to 18 results in range #1 to #18.

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