Drilldown: Patents

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Patents > Patent agent: None & CPCs: CPC B64C17/00

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None (210) · stability (95) · airplane (72) · automatic stability (48) · design (34) · frame (16) · control (16) · Wings (16) · aerodynamics (16) · Construction (12) · lift (9) · subsystem (8) · navigation (7) · equilibrium (7) · rudder (7) · aeroplane (7) · wheels (6) · pendulum (6) · propeller (6)
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None (293) · Patent DE-1911-11-16 Otto Albin Budig (3) · Patent FR-1910-423998 (2) · Patent US-1912-1040434 (2) · Patent US-1908-1077750 (2) · Patent FR-1912-450608 (2)
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