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Patents > Assigned to: None & CPCs : CPC B64B1/50 B61B5/02 or CPC B64C17/00

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Tech fields:
None (400) · stability (310) · Airplane (207) · automatic stability (103) · control (51) · frame (47) · design (45) · equilibrium (43) · Subsystem (37) · aerodynamics (33) · wings (27) · rudder (26) · pendulum (25) · construction (22) · balance (20) · lift (20) · navigation (18) · steering (17)
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Supplementary to patent:
None (590) · Patent FR-1908-396249 (5) · Patent GB-1909-8531 (4) · Patent US-1908-1077750 (4) · Patent US-1908-989022 (3) · Patent FR-1910-415470 (3) · Patent FR-1909-399456 (3) · Patent DE-1911-11-16 Otto Albin Budig (3) · Patent IT-1910-10-17 Carlo Navaro (3) · Patent US-1908-1081147 (3) · Patent US-1908-935766 (3) · Patent NO-1915-12-15 Carl Alfred Johansson (3) · Patent FR-1912-442419 (3) · Patent FR-1911-446282 (3)
Related to aircraft:
Patent agent:
None (284) · None (37) · Armengaud jeune (28) · E. Blétry (16) · Marks & Clerk (16) · Victor J. Evans (13) · J. Bonnet-Thirion (11) · Charles Dony (11) · Abel & Imray (10) · Lavoix et Moses (10) · Matray frères et Cie (10) · Munn & Co. (9) · Schwab (9) · P. Follin (8) · J. Germain (8) · Paul Coulomb (8) · Herbert Haddan & Co. (8) · Haseltine, Lake & Co. (8) · L. Chassevent (7) · Hippolyte Josse (7)
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National tech categories:
FR 6.4 (375) · None (300) · USPC 244/80 (52) · DE 77h.5 (20) · USPC 244/93 (18) · USPC 244/177 (11) · USPC 244/92 (8) · USPC 244/90R (6) · FR 6.3 (3) · USPC 244/139 (3) · USPC 244/87 (2) · USPC 244/82 (2) · USPC 244/100R (2) · USPC 244/113 (2) · USPC 244/233 (2)
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