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Patents > Year filed: 1910 - 1919 & Year granted: 1914 & Office : ?? or BE or CH or DEG or DK & CPCs: None

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Airplane (14) · Stability (7) · Design (6) · Frame (4) · whole (3) · automatic stability (3) · hybrid (3) · construction (3) · heavier-than-air (3) · gyroscope (2) · monoplane (2) · Aerodynamics (2) · safety (2) · wings (2) · parachute (2) · flapping (2) · equilibrium (2)
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Showing below up to 23 results in range #1 to #23.

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