Drilldown: Patents

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Patents > Office: HU & Grant date: 1900 - 1999 & Family year: 1913

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airplane (22) · wheels (8) · frame (7) · stability (7) · design (6) · construction (6) · landing (5) · Chassis (5) · Wings (4) · propellers (4) · motors (3) · equilibrium (3) · propulsion (3) · control (3) · Balloons (3)
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Showing below up to 38 results in range #1 to #38.

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