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Patents > IPCs : IPC B63H3/00 or IPC B64C17/00 & Citations from after 1930: None

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None (361) · Seine (9) · Loire (6) · Paris (4) · New York City (3) · La Ricamarie (3) · Nord (3) · Manche (2) · Maine-et-Loire (2) · New York county (2) · Nièvre (2) · Meurthe-et-Moselle (2) · Orne (2) · Beslon par Villedieu (2) · Nancy (2)
Applicant is inventor:
Tech fields:
stability (286) · airplane (266) · automatic stability (145) · Design (82) · control (76) · aerodynamics (63) · Equilibrium (51) · frame (43) · wings (42) · subsystem (42) · None (28) · pendulum (27) · Construction (26) · rudder (26) · lift (21) · propellers (19) · steering (15) · sustentation (14) · cables (14)
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Supplementary to patent:
None (228) · Patent FR-1908-396249 (4) · Patent NO-1915-12-15 Carl Alfred Johansson (3) · Patent IT-1910-10-17 Carlo Navaro (3) · Patent GB-1909-8531 (3) · Patent DE-1911-11-16 Otto Albin Budig (3) · Patent FR-1912-442419 (3)
Related to aircraft:
Patent agent:
None (86) · None (26) · Armengaud jeune (25) · Marks & Clerk (10) · Charles Dony (9) · P. Follin (7) · J. Bonnet-Thirion (7) · E. Blétry (7) · Brandon frères (6) · Haseltine, Lake & Co. (6) · Matray freres et Cie (6) · Abel & Imray (6) · Schwab (6) · J. Germain (6) · Paul Coulomb (6) · Lavoix et Mosès (5) · Lewis William Goold (5) · J. Fayollet (5)
IPCs: (Click arrow to add another value)
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Citations from after 1930:
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