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Patents > Applicant firm: None & IPCs : IPC B64C13/00 or IPC B64C17/00 & First filing: Yes

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Tech fields:
stability (218) · Airplane (159) · automatic stability (98) · control (76) · None (53) · design (45) · aerodynamics (34) · equilibrium (30) · wings (30) · steering (27) · rudder (25) · frame (22) · pendulum (20) · subsystem (18) · Lift (16) · propellers (14) · navigation (14) · construction (14) · balance (13) · fuselage (10)
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None (351) · Patent FR-1911-443878 (2) · Patent FR-1914-475066 (2) · Patent FR-1910-435648 (2)
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Patent agent:
None (73) · None (31) · Armengaud jeune (12) · Marks & Clerk (9) · E. Blétry (9) · P. Follin (9) · Charles Dony (7) · Boult, Wade & Tennant (7) · Weismann et Marx (7) · J. Bonnet-Thirion (6) · Hippolyte Josse (6) · H. Bœttcher fils (6) · Matray frères et Cie (5) · Lavoix et Mosès (5) · Brierley & Howard (5) · Haseltine, Lake & Co. (5)
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