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Patents > Office : DEG or FR or LU & Tech fields : Propulsion or parachute

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Supplementary to patent:
None (475) · Patent FR-1908-407090 (4) · Patent FR-1910-423792 (4) · Patent FR-1881-142748 (3)
Related to aircraft:
Patent agent:
None (216) · Armengaud jeune (41) · None (29) · J. Bonnet-Thirion (16) · L. Chassevent (16) · Lavoix et Mosès (12) · Chassevent (11) · Dom. Casalonga (11) · G. de Mestral et F. Harlé (11) · J. Germain (11) · Brandon frères (11) · Schwab (10) · E. Bletry (10) · de Bongé (9) · Charles Dony (8) · Boramé et Julien (7) · Y. Rabilloud et fils (7) · Weismann et Marx (7) · Dupont et Elluin (6) · Matray frères et Cie (6)
IPCs:
None (228) · IPC B64C11/00 (61) · IPC B64C39/00 (53) · IPC B64B1/00 (44) · IPC B64C23/00 (30) · IPC B63H1/12 (16) · IPC B64C27/04 (16) · IPC B64C33/02 (15) · IPC B64D17/00 (14) · IPC B64B1/58 (12) · IPC B64D27/00 (12) · IPC B64D17/54 (9) · IPC B64D35/04 (9) · IPC B64C11/16 (8) · IPC B64C17/00 (8) · IPC B64C11/30 (6) · IPC B64C11/20 (6) · IPC B64C11/04 (6) · IPC B64C1/00 (6) · IPC B64C33/00 (6)
CPCs:
None (212) · CPC B64C11/006 (46) · CPC B64B1/00 (44) · CPC B64C39/00 (33) · CPC B64C23/005 (32) · CPC B64C2700/6274 (21) · CPC B64C2700/6295 (16) · CPC B64C33/02 (16) · CPC B64D17/00 (14) · CPC B64C11/00 (12) · CPC B64B1/58 (12) · CPC B64D27/00 (11) · CPC B64C2700/6281 (11) · CPC B64D35/04 (10) · CPC B64C39/005 (10) · CPC B64C27/04 (10) · CPC B64C11/16 (9) · CPC B64D17/54 (9) · CPC B63H1/26 (8) · CPC B64C17/00 (8)
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Citations from after 1930:
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