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Patents > Office: FR & Tech fields : aerodynamics or design & First filing: No

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Patent agent:
Armengaud jeune (63) · None (62) · E. Blétry (17) · None (13) · L. Chassevent (11) · Brandon frères (11) · Lavoix et Mosès (10) · J. Germain (10) · J. Bonnet-Thirion (10) · Dupont et Elluin (10) · G. de Mestral et F. Harlé (9) · Charles Dony (8) · Weismann et Marx (7) · Hippolyte Josse (7) · Gaston Rose (7) · Ch. Mardelet (6) · Boramé et Julien (6) · C. Blétry (6)
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IPCs:
IPC B64C39/00 (61) · IPC B64C17/00 (53) · IPC B64C1/00 (51) · IPC B64C23/00 (19) · IPC B64C35/00 (19) · IPC B64C11/00 (17) · IPC B64C3/38 (16) · IPC B64C25/00 (14) · IPC B64B1/00 (12) · None (12) · IPC B64C3/00 (11) · IPC B64C33/02 (10) · IPC B64C3/52 (8) · IPC B64C3/54 (8) · IPC B64C27/04 (8) · IPC B64C13/00 (8) · IPC B64C3/18 (7) · IPC B64C3/48 (7) · IPC B64B1/58 (6) · IPC B64C11/16 (6)
CPCs:
CPC B64C39/00 (56) · CPC B64C17/00 (54) · CPC B64C2700/6295 (48) · CPC B64C2700/6218 (24) · CPC B64C23/005 (19) · CPC B64C2700/6274 (14) · CPC B64C3/385 (13) · CPC B64B1/00 (12) · CPC B64C1/00 (12) · CPC B64C3/00 (11) · CPC B64C33/02 (11) · CPC B64C35/00 (11) · CPC B64C13/00 (10) · CPC B64C11/006 (10) · CPC B64F2700/6226 (10) · CPC B64C2700/6214 (10)
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Citations from after 1930:
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