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Patents > Tech fields: None & CPCs : CPC B64C13/00 or CPC B64C39/005

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None (486) · Patent US-1909-970771 (3) · Patent US-1910-1055379 (3) · Patent US-1916-1208684 (2) · Patent CA-1909-126457 (2) · Patent US-1909-1008096 (2) · Patent FR-1908-392672 (2) · Patent FR-1912-451312 (2) · Patent GB-1913-3848 (2) · Patent FR-1902-326476 (2) · Patent DE-1918-388537 (2) · Patent US-1913-1118124 (2)
Related to aircraft:
Patent agent:
None (258) · Munn & Co. (20) · Armengaud jeune (13) · Marks & Clerk (11) · None (8) · Brewer & Son (8) · Weismann et Marx (7) · Boult, Wade & Tennant (6) · Haseltine, Lake & Co. (6) · Victor J. Evans (5) · Brandon frères (4) · Brierley & Howard (4) · Abel & Imray (4)
National tech categories:
None (214) · FR 6.4 (89) · USPC 244/233 (32) · USPC 244/90R (29) · DE 77h.5 (23) · USPC 244/78.1 (16) · USPC 244/70 (16) · USPC 244/9 (13) · USPC 244/87 (13) · USPC 244/20 (12) · USPC 244/225 (9) · USPC 244/82 (8) · USPC 244/234 (8) · USPC 244/88 (7) · USPC 244/237 (7) · USPC 244/119 (7) · FR 6.3 (7) · USPC 244/231 (6) · USPC 244/80 (6) · USPC 244/89 (6)
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