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Patents > IPCs : IPC B64C17/00 or IPC B64C39/04 & Number of diagram pages: 1-2

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stability (291) · airplane (236) · automatic stability (144) · control (73) · design (72) · aerodynamics (54) · equilibrium (48) · None (45) · wings (41) · Frame (39) · Subsystem (35) · rudder (27) · pendulum (26) · construction (22) · Lift (20) · Steering (18) · Propellers (14) · aileron (14) · cables (14) · fuselage (13)
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None (247) · Patent FR-1908-396249 (4) · Patent NO-1915-12-15 Carl Alfred Johansson (3) · Patent FR-1912-442419 (3) · Patent DE-1911-11-16 Otto Albin Budig (3) · Patent IT-1910-10-17 Carlo Navaro (3) · Patent FR-1910-415470 (3)
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Patent agent:
None (64) · None (30) · Armengaud jeune (25) · E. Blétry (15) · J. Bonnet-Thirion (10) · Charles Dony (9) · Marks & Clerk (9) · Matray freres et Cie (9) · J. Germain (7) · L. Chassevent (7) · Schwab (7) · Hippolyte Josse (7) · P. Follin (7) · J. Fayollet (6) · Haseltine, Lake & Co. (6)
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