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Patents > IPCs : IPC B64C33/00 or IPC B64C39/00 or IPC F42B12/06

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Supplementary to patent:
None (367) · Patent US-1910-996592 (3) · Patent FR-1916-502839 (3)
Related to aircraft:
Patent agent:
None (119) · None (36) · Armengaud jeune (23) · J. Bonnet-Thirion (14) · Marks & Clerk (13) · E. Blétry (12) · J. Germain (10) · Weismann et Marx (10) · Boult, Wade & Tennant (9) · Brandon frères (8) · Boramé et Julien (8) · Y. Rabilloud et fils (8) · Munn & Co. (7) · Dupont et Elluin (7) · L. Chassevent (7) · Charles Assi (6)
National tech categories:
FR 6.4 (293) · None (145) · USPC 244/22 (14) · FR 6.3 (11) · USPC 244/13 (10) · USPC 244/45R (10) · DE 77h.5 (9) · USPC 244/11 (7) · DE 77h.11 (5) · USPC 244/70 (5) · USPC 244/27 (4) · FR 6.2 (4) · USPC 244/64 (3) · USPC 244/72 (3) · USPC 244/9 (3) · DE 77h.10 (3)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C39/00 (286) · CPC B64C2700/6295 (237) · CPC B64C33/00 (62) · CPC B64C39/005 (58) · CPC B64C39/08 (40) · CPC B64C39/008 (25) · CPC B64C39/003 (18) · CPC B64C33/02 (15) · CPC B64C39/006 (12) · CPC B64C39/062 (4) · CPC B64C3/42 (4) · None (3) · CPC B64C39/068 (3) · CPC B64C39/06 (3)
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