Drilldown: Patents

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Patents > Year granted: 1915 & First filing: Yes

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None (316) · West Virginia (2) · Budapest (2) · California (2) · County of London (2) · Manchester (2) · England (2)
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Patent agent:
None (147) · Munn & Co. (7) · Dupont et Elluin (7) · None (6) · Marks & Clerk (5) · Coquillat (5) · Boult, Wade & Tennant (4) · Victor J. Evans (4) · J. Bonnet-Thirion et Breton (4) · Brewer & Son (4) · William L. Hall (3) · J. Warner Beckstrom (3) · Hippolyte Josse (3) · Haseltine, Lake & Co. (3) · E. W. Marshall (3) · Charles Dony (3) · H. D. Fitzpatrick & Co. (3) · Allen S. Davis(?) (3) · A. M. Wilson (3) · Armengaud jeune (3)
National tech categories:
None (102) · FR 6.4 (44) · IT 8 (12) · USPC 244/233 (10) · USPC 244/90R (9) · USPC 244/13 (7) · USPC 244/113 (6) · USPC 244/91 (6) · USPC 244/80 (6) · USPC 244/100R (5) · USPC 244/45R (5) · USPC 244/65 (5) · DE 77h.5 (5)
IPCs:
None (187) · IPC B64C39/00 (16) · IPC B64C17/00 (14) · IPC B64C1/00 (12) · IPC B64C3/00 (11) · IPC B64C35/00 (9) · IPC B64C23/00 (8) · IPC B64C13/00 (8) · IPC B64C3/54 (6) · IPC B64C27/04 (6) · IPC B64D17/00 (5) · IPC B64C3/38 (4) · IPC B64C25/00 (4) · IPC B64D27/00 (3) · IPC B64C3/50 (3) · IPC B64C33/00 (3) · IPC B64D1/04 (3) · IPC B64B1/00 (3)
CPCs:
None (29) · CPC B64C17/00 (26) · CPC B64C2700/6295 (24) · CPC B64C13/00 (22) · CPC B64C23/005 (15) · CPC B64B1/00 (13) · CPC B64C35/00 (13) · CPC B64C3/00 (12) · CPC B64C39/00 (10) · CPC B64C3/385 (10) · CPC B64C2700/6218 (7) · CPC B64C2700/6281 (7) · CPC B64C33/00 (7) · CPC B64C11/16 (7) · CPC B62C5/04 (7) · CPC B64C2700/6274 (6) · CPC B64C39/08 (6)
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