Drilldown: Patents

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Patents > Family year: 1909 & Number of text pages: 2-3 & Number of claims: 8-11

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airplane (9) · frame (9) · propeller (7) · None (6) · propulsion (5) · rudder (5) · stability (4) · design (4) · automatic stability (3) · LTA (3) · helicopter (3) · navigation (2) · wings (2) · hybrid (2) · subsystem (2) · Airship (2) · chassis (2) · construction (2) · wheels (2)
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