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Patents > IPCs: IPC B64C1/00 & Family year: 1909 & Number of diagram pages: 1-2

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None (4) · Sam Leonard Walkden (3) · Paul-Louis-Antoine Regnard (3) · Charles-Victor-Aime Bidolet (2) · Paul-Nicolas Lucas-Girardville (2) · Charles Arthur Beauchamp Pickard Hawkins (2) · Giulio Romagnoli (2) · Camille Contal (2) · Bertram Ogilvie (2) · Théophile Protin (2) · Auguste-Hippolyte Étévé (2) · Camille Bollée (2)
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None (5) · Sam Leonard Walkden (3) · Paul-Louis-Antoine Regnard (3) · Charles-Victor-Aime Bidolet (2) · Charles Arthur Beauchamp Pickard Hawkins (2) · Giulio Romagnoli (2) · Camille Contal (2) · Théophile Protin (2) · Camille Bollée (2) · Auguste-Hippolyte Étévé (2) · Bertram Ogilvie (2)
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Tech fields:
stability (27) · Airplane (25) · automatic stability (16) · Control (10) · Design (10) · None (8) · Frame (8) · subsystem (6) · gyroscope (6) · Wings (6) · Construction (5) · equilibrium (5) · rudder (5) · aerodynamics (4) · propellers (4) · gliders (4) · navigation (3) · balance (3) · biplane (2) · steering (2)
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