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Patents > Office: FR & IPCs : IPC B64C11/18 or IPC B64C17/00

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Tech fields:
None (176) · stability (151) · airplane (112) · automatic stability (55) · control (30) · aerodynamics (23) · design (23) · equilibrium (20) · subsystem (19) · wings (16) · frame (15) · pendulum (12) · Steering (12) · rudder (11) · lift (10) · construction (8) · safety (7) · sustentation (7)
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Supplementary to patent:
None (241) · Patent FR-1908-396249 (5) · Patent DE-1911-11-16 Otto Albin Budig (3) · Patent FR-1912-450608 (2) · Patent IT-1911-06-13 Guido Castagneris (2) · Patent FR-1909-408872 (2) · Patent FR-1910-423998 (2) · Patent IT-1910-10-17 Carlo Navaro (2) · Patent FR-1914-476300‎‎ (2) · Patent DE-1910-04-04 August Wendtland (2) · Patent FR-1912-442419 (2)
Related to aircraft:
Patent agent:
None (63) · None (29) · Armengaud jeune (26) · E. Blétry (17) · J. Bonnet-Thirion (12) · Lavoix et Mosès (11) · Charles Dony (11) · Matray frères et Cie (10) · Schwab (9) · J. Germain (9) · Paul Coulomb (8) · P. Follin (8) · Hippolyte Josse (7) · L. Chassevent (7) · J. Fayollet (6) · Brandon frères (6)
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