Drilldown: Patents

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Patents > Year filed: 1912 & Applicant is inventor: Yes & Supplementary to patent: None

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Patent agent:
None (432) · Armengaud jeune (23) · None (20) · Charles Dony (12) · H. Bœttcher fils (10) · Hippolyte Josse (10) · Victor J. Evans (9) · Marks & Clerk (8) · Brandon frères (7) · Dupont et Elluin (7) · J. Bonnet-Thirion (6) · Schwab (6) · L. Chassevent (5) · Société A. Frey et de Carsalade (5) · G. H. Strong (5) · C. A. Snow & Co. (4) · Dom. Casalonga (4) · G. Petiau (4) · Société J.P. Bonnicart et Cie. (4) · E. Blétry (4)
National tech categories:
None (274) · FR 6.4 (233) · HU V/h (19) · BE K (17) · AT 77d (16) · USPC 244/80 (12) · USPC 244/233 (11) · USPC 244/45R (10) · USPC 244/48 (8) · DE 77h.5 (7) · CH 129b (7) · USPC 244/87 (6) · FR 6.2 (6) · USPC 244/22 (5) · USPC 244/139 (5) · USPC 244/93 (5) · USPC 244/90R (5) · USPC 244/119 (5) · USPC 244/13 (5)
IPCs:
None (438) · IPC B64C17/00 (48) · IPC B64C39/00 (44) · IPC B64C1/00 (31) · IPC B64C35/00 (17) · IPC B64C3/38 (16) · IPC B64C11/00 (16) · IPC B64B1/00 (15) · IPC B64C3/00 (15) · IPC B64D17/00 (8) · IPC B64B1/58 (8) · IPC B64C3/56 (8) · IPC B64C13/00 (7) · IPC B64C25/00 (7) · IPC B64C3/54 (6) · IPC B64C23/00 (5)
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