Drilldown: Patents

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Patents > Year filed: 1912 & Number of claims: 5-7 & Number of figures: 10-50

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airplane (9) · stability (5) · control (5) · design (4) · helicopter (4) · wings (3) · frame (3) · automatic stability (3) · wheels (3) · chassis (3) · construction (3) · landing (3) · Safety (2) · fuselage (2) · cables (2)
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