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Patents > CPCs : CPC B64C17/00 or CPC B64C35/003 & First filing: Yes

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Tech fields:
stability (269) · None (177) · Airplane (170) · automatic stability (122) · control (47) · design (43) · equilibrium (35) · aerodynamics (30) · frame (28) · wings (27) · pendulum (26) · rudder (19) · subsystem (18) · Lift (18) · balance (17) · construction (16) · navigation (16) · propellers (11)
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Supplementary to patent:
None (488) · Patent US-1908-1077750 (2) · Patent FR-1914-475066 (2) · Patent FR-1911-443878 (2) · Patent FR-1910-435648 (2)
Related to aircraft:
Patent agent:
None (200) · None (30) · Victor J. Evans (12) · Armengaud jeune (12) · Munn & Co. (9) · E. Blétry (8) · J. Bonnet-Thirion (7) · P. Follin (7) · Charles Dony (6) · Hippolyte Josse (6) · Matray frères et Cie (5) · Lavoix et Mosès (5) · Haseltine, Lake & Co. (4) · Boult, Wade & Tennant (4) · L. Chassevent (4) · Charles W. Hills (4) · Schwab (4) · Société A. Frey et de Carsalade (4)
National tech categories:
FR 6.4 (209) · None (175) · USPC 244/80 (59) · USPC 244/93 (18) · DE 77h.5 (13) · USPC 244/177 (12) · USPC 244/92 (8) · USPC 244/90R (5) · FR 6.3 (3) · USPC 244/139 (3) · USPC 244/91 (2) · USPC 244/233 (2) · USPC 244/82 (2) · USPC 244/100R (2) · USPC 244/89 (2) · USPC 244/113 (2) · USPC 244/87 (2)
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