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Patents > CPCs : CPC B64C13/00 or CPC B64C2700/6256

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None (407) · Seine (5) · New York (3) · Ohio (3) · Manchester (2) · Bexar county (2) · TX (2) · New York City (2) · New York county (2) · Nord (2) · Paris (2)
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None (371) · Patent US-1910-1055379 (3) · Patent US-1909-970771 (3) · Patent FR-1915-477321 (2) · Patent GB-1913-3848 (2) · Patent FR-1912-451312 (2) · Patent US-1909-1008096 (2) · Patent DE-1918-388537 (2) · Patent FR-1908-392672 (2) · Patent US-1913-1118124 (2)
Related to aircraft:
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None (201) · Munn & Co. (14) · Armengaud jeune (11) · Marks & Clerk (9) · Brewer & Son (8) · Weismann et Marx (7) · Boult, Wade & Tennant (6) · Haseltine, Lake & Co. (6) · Brierley & Howard (4) · Brandon frères (4) · None (4) · Abel & Imray (4) · John P. Tarbox (3) · Paul Blum (3) · Noyes & Harriman (3) · Victor J. Evans (3) · C. C. Hines (3) · H. A. Toulmin (3) · H. Boettcher fils (3)
National tech categories:
None (165) · FR 6.4 (73) · USPC 244/233 (32) · USPC 244/90R (28) · DE 77h.5 (22) · USPC 244/78.1 (16) · USPC 244/87 (12) · USPC 244/225 (9) · USPC 244/82 (8) · USPC 244/234 (8) · USPC 244/88 (7) · USPC 244/231 (7) · USPC 244/237 (7) · USPC 244/89 (6) · USPC 244/80 (6) · USPC 244/232 (5) · USPC 244/119 (5) · USPC 244/35R (4) · USPC 244/100R (4)
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