Drilldown: Patents

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Patents > Office: FR & Applicant firm: None & Number of claims: 2-3

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Armengaud jeune (101) · None (50) · L. Chassevent (30) · Brandon frères (30) · Charles Dony (23) · None (21) · E. Blétry (20) · Hippolyte Josse (19) · Schwab (19) · Lavoix et Mosès (17) · Dupont et Elluin (16) · J. Bonnet-Thirion (15) · J. Germain (12) · H. Bœttcher fils (11) · Rigot et Prévost (10) · Émile Bert (10) · Matray frères et Cie (9) · J. Bonnet-Thirion et Breton (9) · G. Petiau (8)
IPCs:
IPC B64C17/00 (81) · IPC B64C1/00 (71) · IPC B64C39/00 (53) · IPC B64B1/00 (36) · IPC B64C23/00 (27) · IPC B64C11/00 (26) · None (25) · IPC B64C3/38 (19) · IPC B64C25/00 (19) · IPC B64C33/02 (16) · IPC B64C3/54 (15) · IPC B64C3/00 (15) · IPC B64C35/00 (14) · IPC B64B1/58 (13) · IPC B64C27/04 (12) · IPC B64C13/00 (11) · IPC B64D17/00 (11) · IPC B64C11/04 (10) · IPC B64D35/04 (8)
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