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Patents > Tech fields : design or navigation & National tech categories: FR 6.4 & First filing: No

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None (76) · Armengaud jeune (67) · J. Bonnet-Thirion (12) · E. Blétry (12) · G. de Mestral et F. Harlé (11) · Charles Dony (10) · Dupont et Elluin (10) · Weismann et Marx (9) · None (9) · Brandon frères (9) · Gaston Rose (8) · L. Chassevent (8) · Lavoix et Mosès (8) · J. Germain (7) · Hippolyte Josse (7) · Ch. Mardelet (6) · Schwab (6)
National tech categories: (Click arrow to add another value)
IPCs:
IPC B64C39/00 (56) · IPC B64C17/00 (40) · IPC B64C1/00 (39) · IPC B64B1/00 (26) · None (22) · IPC B64C23/00 (20) · IPC B64C35/00 (19) · IPC B64C3/38 (18) · IPC B64C11/00 (16) · IPC B64C25/00 (13) · IPC B64C33/02 (11) · IPC B64C3/52 (10) · IPC B64C3/00 (9) · IPC B64B1/58 (9) · IPC B64C3/54 (8) · IPC B64C13/00 (8) · IPC B64C3/48 (7) · IPC B64C3/18 (7) · IPC B64C27/04 (7)
CPCs:
CPC B64C39/00 (51) · CPC B64C2700/6295 (46) · CPC B64C17/00 (40) · CPC B64B1/00 (25) · CPC B64C23/005 (19) · CPC B64C2700/6218 (18) · CPC B64C2700/6274 (16) · CPC B64C3/385 (15) · CPC B64C33/02 (13) · CPC B64C13/00 (13) · CPC B64C3/52 (12) · CPC B64C35/00 (11) · None (11) · CPC B64C1/00 (11) · CPC B64F2700/6226 (10) · CPC B64C2700/6214 (10) · CPC B64B1/58 (9) · CPC B64C3/00 (9) · CPC B64C11/006 (8)
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