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Patents > IPCs : IPC B64B1/00 or IPC B64C17/00 & First filing: Yes

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None (477) · Patent BE-1912-07-11 Maiche et Legras (2) · Patent FR-1913-472867 (2) · Patent FR-1914-472867.19895 (2) · Patent FR-1914-475066 (2) · Patent FR-1910-435648 (2)
Related to aircraft:
Patent agent:
None (145) · None (38) · Armengaud jeune (13) · E. Blétry (12) · Boramé et Julien (11) · Munn & Co. (10) · Hippolyte Josse (9) · J. Bonnet-Thirion (9) · Lavoix et Mosès (8) · Marks & Clerk (8) · Boult, Wade & Tennant (8) · P. Follin (8) · Matray frères et Cie (6) · Schwab (6) · Haseltine, Lake & Co. (6) · Brandon frères (6) · G. Petiau (5) · Societe A. Frey et de Carsalade (5) · Weismann et Marx (5) · Charles Dony (5)
National tech categories:
FR 6.4 (259) · None (123) · USPC 244/30 (27) · FR 6.3 (22) · USPC 244/26 (14) · USPC 244/80 (10) · USPC 244/25 (9) · DE 77h.5 (8) · USPC 244/67 (7) · USPC 244/97 (7) · USPC 244/125 (6) · DE 77h.2 (6) · USPC 24/713.8 (5) · USPC 244/96 (5) · USPC 244/32 (4) · USPC 244/128 (4) · USPC 244/99 (4) · USPC 244/29 (4) · DE 77 (4) · DE 77h (4)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C17/00 (295) · CPC B64B1/00 (213) · CPC B64C2700/6218 (119) · CPC B64C2700/6212 (69) · CPC B64C2700/6214 (30) · CPC B64C2700/6219 (18) · CPC B64B1/40 (14) · CPC B64C2700/6215 (9) · CPC B64B1/58 (6) · CPC Y10T24/3747 (5) · CPC B64C1/00 (4) · None (4) · CPC B64B1/62 (4) · CPC B64B1/005 (4) · CPC B64C2700/6211 (2) · CPC B64C3/48 (2) · CPC B61B5/02 (2) · CPC B64B1/60 (2) · CPC B64B1/06 (2) · CPC B64B1/50 (2)
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