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Patents > CPCs : CPC B64C13/00 or CPC B64C2700/6256 or CPC B64C3/385

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None (663) · Seine (7) · TX (4) · New York (4) · New York City (4) · Bexar county (4) · New York county (4) · Ohio (3) · Paris (3) · London (3) · Hampden County, Massachusetts (2) · San Antonio (2) · Nord (2) · San Antonio, Texas (2) · Seine-et-Oise (2) · Springfield, Massachusetts (2) · Massachusetts (2) · Manchester (2) · Minnesota (2) · Eure-et-Loir (2)
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None (586) · Patent FR-1908-392672 (5) · Patent FR-1912-449167 (3) · Patent BE-1912-02-07-Gramaticesco (3) · Patent US-1909-970771 (3) · Patent US-1910-1055379 (3) · Patent CA-1910-131159 (2) · Patent SE-1917-46288 (2) · Patent FR-1908-398707 (2) · Patent DE-1918-388537 (2) · Patent US-1909-1008096 (2) · Patent DE-1909-244106 (2) · Patent GB-1913-3848 (2) · Patent FR-1915-477321 (2) · Patent FR-1912-457441 (2) · Patent FR-1912-451312 (2) · Patent US-1912-1062545 (2) · Patent US-1912-1077892 (2) · Patent US-1913-1118124 (2)
Related to aircraft:
Patent agent:
None (295) · Armengaud jeune (20) · Munn & Co. (19) · None (14) · Marks & Clerk (12) · Haseltine, Lake & Co. (9) · Brewer & Son (9) · Weismann et Marx (8) · E. Blétry (6) · Victor J. Evans (6) · Boult, Wade & Tennant (6) · J. S. Withers & Spooner (6) · L. Chassevent (5) · Abel & Imray (5)
National tech categories:
None (268) · FR 6.4 (156) · USPC 244/90R (34) · DE 77h.5 (33) · USPC 244/233 (32) · USPC 244/48 (25) · USPC 244/78.1 (16) · USPC 244/87 (14) · USPC 244/234 (11) · USPC 244/119 (10) · USPC 244/88 (10) · USPC 244/225 (10) · USPC 244/99.11 (9) · USPC 244/231 (9) · USPC 244/82 (8) · USPC 244/80 (8) · USPC 244/237 (8) · USPC 244/38 (6) · USPC 244/89 (6)
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