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Patents > Patent agent : Chas. Berthon or Victor J. Evans & Number of figures: 3-5

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stability (11) · None (10) · airplane (9) · rudder (5) · navigation (5) · frame (5) · safety (4) · Propeller (4) · control (3) · gyroscope (2) · wheels (2) · pendulum (2) · parachute (2) · aerial propeller (2) · helicopter (2) · landing (2) · Windmill (2) · flapping (2) · automatic stability (2) · balance (2)
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CPC B64C17/00 (9) · CPC B64C23/005 (3) · CPC B64C13/00 (2) · CPC B64C17/06 (2) · CPC B64C3/14 (2) · CPC B64C27/82 (2) · CPC Y02E10/74 (2)
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Showing below up to 43 results in range #1 to #43.

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