Drilldown: Patents

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Patents > Tech fields : hybrid or None & Filing date: 1909

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Patent agent:
None (291) · None (10) · A. Wunderlich & Cie, Ingénieurs-Conseils (7) · G. de Mestral et F. Harlé (4) · Armengaud jeune (4) · Boult, Wade & Tennant (3) · Michael J. Stark & Sons (3) · Stephen Watkins, Son & Groves (3) · Marks & Clerk (3) · Munn & Co. (3) · L. Chassevent (3) · Lloyd Wise & Co. (3) · Haseltine, Lake & Co. (3)
National tech categories:
None (276) · FR 6.4 (58) · BE K (8) · USPC 244/45R (5) · USPC 244/6 (4) · USPC 244/7R (4) · USPC 244/66 (3) · USPC 244/22 (3) · USPC 244/48 (3) · USPC 244/17.21 (3) · USPC 244/64 (3) · USPC 244/80 (3) · USPC 244/93 (3) · USPC 244/65 (3)
IPCs:
None (306) · IPC B64C39/00 (27) · IPC B64C3/38 (13) · IPC B64C17/00 (12) · IPC B64C1/00 (9) · IPC B64C23/00 (8) · IPC B64C3/00 (5) · IPC B64C33/00 (4) · IPC B64C3/54 (4) · IPC B64B1/00 (4) · IPC B64B1/58 (4) · IPC B64C13/00 (3) · IPC B64C33/02 (3) · IPC B64C25/00 (3) · IPC B64C27/04 (3) · IPC B64C11/00 (3)
CPCs:
None (58) · CPC B64C2700/6295 (54) · CPC B64C39/00 (42) · CPC B64C3/385 (27) · CPC B64C23/005 (26) · CPC B64C11/006 (18) · CPC B64C17/00 (18) · CPC B64C2700/6274 (15) · CPC B64B1/00 (14) · CPC B64C33/02 (14) · CPC B64C33/00 (13) · CPC B64B1/58 (13) · CPC B64C39/005 (11) · CPC B64C13/00 (10) · CPC B64C2700/6281 (8) · CPC B64C11/00 (7)
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