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Patents > CPCs : CPC B64C2700/6245 or CPC B64C33/02 or CPC B64C35/00

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None (544) · Seine (12) · Bouches-du-Rhône (6) · Missouri (4) · Marseille (4) · Chicago (3) · Rhône (3) · Paris (3) · St. Louis (3) · Hampshire (2) · Seine-et-Oise (2) · St. Louis county (2) · Cleveland (2)
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None (453) · Patent FR-1912-455471 (3) · Patent GB-1909-12556 (3) · Patent FR-1908-407411 (3) · Patent BE-1910-12-28-Muehter (3) · Patent FR-1916-493411 (3) · Patent BE-1912-02-27 Caudron (3) · Patent FR-1910-426487 (3) · Patent US-1913-1094989 (3)
Related to aircraft:
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None (254) · None (16) · Boult, Wade & Tennant (11) · Armengaud jeune (10) · John P. Tarbox (10) · E. Blétry (8) · Munn & Co. (8) · Marks & Clerk (7) · Dupont et Elluin (6) · C. A. Snow & Co. (6) · Brewer & Son (6) · Louis Tailfer (5) · Edward Evans & Co. (5) · J. Bonnet-Thirion et Breton (5) · Schwab (5)
National tech categories:
None (237) · FR 6.4 (177) · USPC 244/22 (66) · DE 77h.10 (21) · USPC 244/72 (19) · DE 77h.9 (15) · DE 77 (13) · FR 6.3 (9) · USPC 244/105 (6) · DE 77h.5 (5) · DE 77h (5) · USPC 244/101 (4) · USPC 244/90R (3) · USPC 244/64 (3) · FR 6.2 (2) · USPC 244/50 (2)
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