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Patents > IPCs : IPC A63H27/00 or IPC B64C17/00 & Family year: 1900 - 1999

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None (463) · Seine (11) · Loire (7) · Paris (5) · Nord (5) · Nièvre (4) · Meurthe-et-Moselle (3) · Lille (3) · New York City (3) · La Ricamarie (3) · Nancy (2) · Maine-et-Loire (2) · New York county (2) · Rhône (2) · Budapest (2) · Var (2) · Bouches-du-Rhône (2)
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None (325) · Patent FR-1908-396249 (5) · Patent NO-1915-12-15 Carl Alfred Johansson (3) · Patent DE-1911-11-16 Otto Albin Budig (3) · Patent GB-1909-8531‎ (3) · Patent IT-1910-10-17 Carlo Navaro (3) · Patent FR-1910-415470 (3)
Related to aircraft:
Patent agent:
None (88) · None (41) · Armengaud jeune (24) · E. Blétry (15) · Marks & Clerk (15) · J. Bonnet-Thirion (11) · Charles Dony (10) · Matray frères et Cie (10) · J. Germain (9) · Lavoix et Mosès (9) · Schwab (9) · Abel & Imray (8) · P. Follin (8) · Brandon frères (7) · Herbert Haddan & Co. (7) · Haseltine, Lake & Co. (6) · L. Chassevent (6) · Societe A. Frey et de Carsalade (6) · Hippolyte Josse (6)
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