Drilldown: Patents

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Patents > Office : FR or IT or UN & Tech fields : design or subsystem & Filing date: 1900 - 1999 & Supplementary to patent: None

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None (69) · Armengaud jeune (59) · Weismann et Marx (18) · E. Blétry (15) · Charles Dony (13) · None (11) · Dupont et Elluin (10) · L. Chassevent (10) · Hippolyte Josse (9) · M. Zerolo (8) · Lavoix et Mosès (8) · Brandon frères (7) · Dom. Casalonga (6) · G. de Mestral et F. Harlé (6) · J. Germain (5) · C. Blétry (5) · J. Bonnet-Thirion (5) · Louis Tailfer (5) · Chassevent (5)
IPCs:
IPC B64C1/00 (55) · IPC B64C17/00 (53) · IPC B64C39/00 (50) · IPC B64C3/00 (19) · None (16) · IPC B64C11/00 (15) · IPC B64B1/00 (13) · IPC B64C35/00 (11) · IPC B64C3/54 (9) · IPC B64C3/56 (8) · IPC B64C25/00 (8) · IPC B64C13/00 (8) · IPC B64C33/02 (8) · IPC B64C11/16 (7) · IPC B63H1/12 (7) · IPC B64C3/38 (7) · IPC B64C23/00 (7) · IPC B64B1/40 (5)
CPCs:
CPC B64C17/00 (54) · CPC B64C39/00 (46) · CPC B64C2700/6295 (36) · CPC B64C2700/6218 (23) · CPC B64C3/00 (19) · CPC B64C1/00 (14) · CPC B64B1/00 (13) · None (12) · CPC B64C11/006 (9) · CPC B64C13/00 (9) · CPC B64C2700/6233 (9) · CPC B64C3/54 (8) · CPC B64C3/56 (8) · CPC B64C33/02 (8) · CPC B64C35/00 (8) · CPC B64C11/16 (8) · CPC B64C2700/6214 (7) · CPC B64C23/005 (7) · CPC B64C2700/6219 (7)
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