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Patents > CPCs : CPC B64C17/00 or CPC B64C33/02 & Number of figures: 3-5

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stability (155) · airplane (114) · automatic stability (69) · None (41) · design (41) · frame (28) · control (28) · flapping (24) · wings (24) · aerodynamics (23) · propulsion (23) · subsystem (20) · equilibrium (19) · rudder (18) · navigation (17) · lift (13) · propellers (12) · LTA (11) · whole (11)
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None (189) · Patent US-1908-989022 (3) · Patent US-1908-1077750 (3) · Patent BE-1910-12-28-Muehter (3) · Patent BE-1911-05-15 Georges de Bothezat (2) · Patent US-1908-1081147 (2) · Patent NZ-1909-25865 (2) · Patent NO-1915-12-15 Carl Alfred Johansson (2) · Patent HU-1909-49726 (2) · Patent FR-1914-475066 (2) · Patent FR-1912-442419 (2) · Patent FR-1909-399456 (2) · Patent DK-1913-19885 (2) · Patent DE-1911-11-16 Otto Albin Budig (2) · Patent US-1917-1257212 (2)
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Patent agent:
None (63) · None (16) · Armengaud jeune (10) · Victor J. Evans (6) · P. Follin (6) · Charles Dony (6) · Schwab (5) · E. Blétry (5) · Herbert Haddan & Co. (5) · Y. Rabilloud et fils (4) · Societe A. Frey et de Carsalade (4) · Edward Evans & Co. (4) · Marks & Clerk (4) · C. Blétry (4)
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