Drilldown: Patents

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Patents > Filing date: 1912 & Patent agent : C. A. Snow & Co. or None

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airplane (12) · stability (7) · wings (5) · design (5) · parachutes (4) · toy (4) · Aerodynamics (4) · ornithopter (4) · parachute (4) · frame (4) · model (3) · Propulsion (3) · sustentation (3)
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Showing below up to 36 results in range #1 to #36.

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