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Patents > Granted: Yes & National tech categories: BE K & Family year: 1913

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airplane (18) · design (13) · frame (10) · control (7) · hybrid (6) · LTA (6) · parachute (5) · dirigibles (5) · construction (5) · aerodynamics (4) · propellers (4) · safety (4) · stability (4) · rigid (3) · rudder (3) · balloons (3) · wings (3) · fuselage (3)
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Showing below up to 33 results in range #1 to #33.

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