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Patents > IPCs : IPC B64C17/00 or IPC B64C3/00 & Number of text pages: 3-70

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stability (219) · Airplane (212) · automatic stability (95) · design (68) · control (56) · wings (48) · frame (43) · None (41) · aerodynamics (41) · Subsystem (35) · construction (35) · Equilibrium (32) · rudder (20) · lift (20) · pendulum (17) · Steering (17) · balance (11)
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None (246) · Patent FR-1908-396249 (5) · Patent IT-1910-10-17 Carlo Navaro (3) · Patent DE-1911-11-16 Otto Albin Budig (3)
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Patent agent:
None (56) · Armengaud jeune (21) · Marks & Clerk (20) · None (16) · E. Blétry (10) · Boult, Wade & Tennant (7) · L. Chassevent (7) · Matray frères et Cie (7) · Haseltine, Lake & Co. (7) · Weismann et Marx (6) · J. Bonnet-Thirion (6) · Lewis William Goold (5) · Société A. Frey et de Carsalade (5) · Herbert Haddan & Co. (5) · Boramé et Julien (5) · P. Follin (5) · Dupont et Elluin (5) · Schwab (5)
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