Drilldown: Patents

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Patents > Office: FR & Grant date: 1900 - 1999 & Number of figures: 6-9

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None (556) · Seine (17) · Paris (6) · Rhône (5) · Nord (4) · Morbihan (4) · Hérault (4) · Charente-Inférieure (3) · Los Angeles (3) · Lorient (3) · Eure-et-Loir (3) · Loire (3) · Bouches-du-Rhône (3)
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Patent agent:
Armengaud jeune (79) · None (62) · None (54) · L. Chassevent (25) · Lavoix et Mosès (22) · J. Bonnet-Thirion (17) · E. Blétry (17) · Dom. Casalonga (15) · J. Germain (13) · Weismann et Marx (13) · Brandon frères (13) · Dupont et Elluin (12) · G. Petiau (11) · Schwab (10) · G. de Mestral et F. Harle (10) · J. Bonnet-Thirion et Breton (10) · H. Bœttcher fils (9)
IPCs:
IPC B64C17/00 (79) · IPC B64C1/00 (70) · IPC B64C39/00 (50) · IPC B64B1/00 (42) · IPC B64C33/02 (35) · IPC B64C23/00 (29) · IPC B64C3/38 (25) · None (21) · IPC B64C11/00 (21) · IPC B64C3/00 (20) · IPC B64C35/00 (13) · IPC B64C25/00 (13) · IPC B64B1/58 (12) · IPC B64C3/54 (11) · IPC B64C27/04 (11) · IPC B64C13/00 (10) · IPC B64C33/00 (10) · IPC B64C3/56 (8) · IPC B64D17/00 (8) · IPC B64C11/16 (8)
First filing:
Citations from after 1930:
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