Drilldown: Patents
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None (1) ·
Aerodynamics (1) ·
airplane (2) ·
Airplane, Propulsion (1) ·
ascension (1) ·
centrifuge (1) ·
Construction (1) ·
control (1) ·
Design (1) ·
equilibrium (1) ·
Frame (1) ·
gyroscope (1) ·
heavier-than-air (1) ·
helicopter (6) ·
helicopters (1) ·
Hybrid (1) ·
Hydrodynamics (1) ·
Hydroplane (1) ·
Lift (1) ·
pendulum (1) ·
piloting (1) ·
propulsion (4) ·
rudder (1) ·
stability (2) ·
Wheels (1) ·
Wings (2)
None (1) ·
14310D (1) ·
188564D (1) ·
362683D (1) ·
363081D (1) ·
363350D (1) ·
366094D (1) ·
367357D (1) ·
367532D (1) ·
367962D (1) ·
374126D (1) ·
6785D (1) ·
7810D (1)
Showing below up to 13 results in range #1 to #13.
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- Calendar: Year filed
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- Calendar: Full specification filed date
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