Drilldown: Patents

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Patents > Year granted: 1910 - 1919 & Filing date: 1912 & Number of claims: 9-10

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airplane (9) · stability (7) · propellers (6) · automatic stability (6) · frame (4) · propulsion (3) · design (2) · military (2) · landing (2) · hybrid (2) · helicopter (2) · fuselage (2) · wings (2) · control (2) · chassis (2) · car (2) · projectile (2) · construction (2)
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