Drilldown: Patents

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Patents > Year granted: 1910 - 1919 & Office : ?? or BE or NL or Other or None & Inventor country : AH or US & Full specification filed date: 1910 - 1919 & Related to aircraft : .5? or 1 or None

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stability (6) · None (5) · airplane (5) · frame (4) · Propulsion (4) · propeller (4) · safety (3) · Airship (3) · propellers (3) · kite (3) · parachute (2) · LTA (2) · helicopter (2) · Whole (2) · Design (2) · construction (2)
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