Drilldown: Patents

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Patents > Office : BE or FR & National tech categories: None

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Office: (Click arrow to add another value)
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Supplementary to patent:
None (1075) · Patent FR-1880-139386 (2) · Patent FR-1914-466329.18996 (2) · Patent FR-1913-466195 (2) · Patent FR-1913-466329 (2)
Related to aircraft:
Patent agent:
None (1030) · None (8) · Armengaud jeune (6) · J. Bonnet-Thirion (5) · L. Chassevent (4) · Armengaud aîné (4) · Lavoix et Mosès (3) · Dony and Lejeune (3) · Casalonga (2) · J. Bonnet-Thirion et Breton (2) · G. de Mestral et F. Harlé (2) · E. Blétry (2) · Marks & Clerk (2) · Charles de Mosenthal (2) · Brandon frères (2) · Société G. Breton, P. Audy, J. Rousset, A. Vergé (2) · Abel & Imray (2) · James T. Barkelew (2)
National tech categories: (Click arrow to add another value)
IPCs:
None (1042) · IPC B64C1/00 (9) · IPC B64C23/00 (9) · IPC B64C17/00 (8) · IPC B64C39/00 (8) · IPC B64C25/00 (3) · IPC B64C11/00 (3) · IPC B64C3/54 (3)
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