Drilldown: Patents

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Patents > Applicant firm: None & Grant date: December 1913 & Family year: 1912

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Airplane (9) · None (5) · stability (3) · Construction (3) · LTA (3) · design (3) · aerodynamics (3) · Frame (2) · wheels (2) · Propulsion (2) · Propellers (2) · Parachute (2) · ornithopter (2) · Fuselage (2) · Landing (2) · automatic stability (2) · Equilibrium (2) · airship (2)
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