Drilldown: Patents

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Patents > Year granted: 1919 & Filing date: 1915 & Cites these patents: None

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airplane (21) · None (10) · frame (9) · Construction (6) · LTA (6) · Propellers (6) · stability (5) · Propulsion (5) · whole (4) · design (4) · military (4) · fabric (3) · envelope (3) · Dirigibles (3) · fuselage (3) · automatic stability (3) · biplane (3) · subsystem (3)
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