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Patents > CPCs : CPC B64C13/00 or CPC B64C2700/6212 or CPC B64C39/005

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None (657) · Seine (8) · Nord (5) · Ohio (4) · Paris (3) · Manchester (2) · Loire (2) · New York (2) · New York City (2) · New York county (2) · Nièvre (2) · Meurthe-et-Moselle (2) · England (2) · TX (2) · Michigan (2) · Bexar county (2)
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None (586) · Patent FR-1908-396249 (5) · Patent US-1909-970771 (3) · Patent US-1910-1055379 (3) · Patent CH-1910-52816 (2) · Patent FR-1912-451312 (2) · Patent GB-1913-3848 (2) · Patent FR-1914-476300‎‎ (2) · Patent US-1908-989022 (2) · Patent FR-1902-326476 (2) · Patent US-1909-1008096 (2) · Patent DE-1918-388537 (2) · Patent FR-1908-392672 (2) · Patent US-1913-1118124 (2) · Patent US-1914-1169695 (2) · Patent US-1916-1208684 (2) · Patent US-1915-1149680 (2) · Patent FR-1915-477321 (2) · Patent CA-1909-126457 (2)
Related to aircraft:
Patent agent:
None (287) · Munn & Co. (22) · Armengaud jeune (16) · None (14) · Marks & Clerk (12) · E. Blétry (9) · Brewer & Son (8) · Weismann et Marx (8) · Haseltine, Lake & Co. (7) · Matray frères et Cie (7) · Boult, Wade & Tennant (7) · J. Germain (7) · Abel & Imray (6) · Hippolyte Josse (6) · Victor J. Evans (5) · Brierley & Howard (5) · H. Boettcher fils (5)
National tech categories:
None (269) · FR 6.4 (167) · USPC 244/233 (32) · USPC 244/90R (29) · DE 77h.5 (26) · 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) · FR 6.3 (8) · USPC 244/88 (7) · USPC 244/119 (7) · USPC 244/231 (7) · USPC 244/237 (7) · USPC 244/89 (6) · USPC 244/80 (6)
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