Drilldown: Patents

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Patents > Inventor country: US & Family year: 1910 - 1919 & Number of figures: 17-18

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stability (10) · Airplane (10) · None (8) · wings (5) · gyroscope (4) · construction (3) · frame (3) · HTA (3) · helicopter (3) · ascension (2) · whole (2) · propellers (2) · navigation (2) · automatic stability (2) · hydroaeroplane (2) · fuselage (2) · electricity (2) · chassis (2)
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