Drilldown: Patents

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Patents > Application number : 419312D or None & Grant date: January 1911

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Airplane (6) · design (6) · safety (4) · LTA (4) · frame (4) · parachute (3) · military (3) · aerodynamics (3) · Propellers (3) · Propulsion (3) · stability (3) · Marine (2) · None (2) · equilibrium (2) · Construction (2) · subsystem (2) · valve (2) · navigation (2)
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