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Patents > Supplementary to patent : Patent FR-1912-461530 or None & CPCs: CPC B64C17/00

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None (320) · stability (201) · airplane (116) · automatic stability (61) · frame (30) · control (25) · design (22) · equilibrium (20) · balance (16) · rudder (14) · pendulum (14) · wings (14) · navigation (13) · aerodynamics (12) · propeller (12) · construction (11) · wheels (10) · whole (9) · subsystem (8) · safety (8)
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None (241) · None (35) · Armengaud jeune (16) · Victor J. Evans (14) · Munn & Co. (9) · Lavoix et Mosès (8) · E. Blétry (8) · Charles Dony (8) · J. Bonnet-Thirion (7) · Schwab (6) · Hippolyte Josse (6) · Paul Coulomb (5) · J. Germain (5) · P. Follin (5) · Matray frères et Cie (4) · Marks & Clerk (4) · L. Chassevent (4) · Charles W. Hills (4) · Louis Tailfer (4) · Societe A. Frey et de Carsalade (4)
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FR 6.4 (237) · None (214) · USPC 244/80 (56) · USPC 244/93 (18) · DE 77h.5 (14) · USPC 244/177 (13) · USPC 244/92 (8) · USPC 244/90R (6) · USPC 244/139 (3) · USPC 244/233 (2) · USPC 244/113 (2) · USPC 244/100R (2) · USPC 244/87 (2) · FR 6.3 (2) · USPC 244/89 (2) · USPC 244/91 (2)
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