Drilldown: Patents

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Patents > Assigned to: None & CPCs : CPC B64C39/00 or CPC B64C39/005

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None (588) · Paris (5) · Seine (5) · St. Louis (3) · London (3) · Eure (3) · Var (2) · County of London (2)
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None (480) · Patent US-1910-996592 (3) · Patent FR-1908-394418 (2) · Patent FR-1908-396470 (2) · Patent FR-1902-326476 (2) · Patent GB-1908-4519 (2) · Patent DE-1912-265515 (2) · Patent FR-1916-502839 (2) · Patent FR-1909-395148 (2) · Patent US-1908-927605 (2) · Patent CA-1909-126457 (2) · Patent FR-1913-461629 (2) · Patent FR-1912-441089 (2) · Patent FR-1909-403418 (2) · Patent FR-1910-421136 (2) · Patent US-1916-1208684 (2) · Patent FR-1911-434281 (2) · Patent US-1911-994106 (2) · Patent FR-1910-414004 (2) · Patent US-1913-1133984 (2)
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Patent agent:
None (271) · None (29) · Armengaud jeune (19) · Marks & Clerk (11) · Munn & Co. (9) · J. Bonnet-Thirion (9) · E. Blétry (9) · Weismann et Marx (7) · J. Germain (7) · Brandon frères (7) · Charles Assi (6) · Y. Rabilloud et fils (6)
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National tech categories:
None (294) · FR 6.4 (234) · USPC 244/70 (15) · USPC 244/9 (13) · FR 6.3 (11) · USPC 244/20 (11) · DE 77h.5 (8) · USPC 244/39 (4) · USPC 244/13 (4) · USPC 244/19 (3) · USPC 244/50 (2) · USPC 244/119 (2) · FR 6.1 (2) · USPC 244/64 (2) · USPC 244/218 (2) · USPC 244/48 (2) · USPC 244/91 (2) · USPC 244/90R (2) · USPC 416/112 (2) · FR 6.2 (2)
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