Drilldown: Patents

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Patents > Year granted: 1915 & Number of text pages: 3-40 & Number of claims: 12-70

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airplane (11) · None (7) · HTA (7) · design (6) · stability (5) · control (5) · automatic stability (4) · parachutes (4) · whole (3) · safety (3) · rudder (3) · Propellers (3) · lift (3) · Wings (3) · biplane (3)
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None (6) · USPC 244/90R (3) · USPC 244/233 (3) · USPC 244/101 (2) · HU V/h (2) · USPC 244/91 (2)
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