Drilldown: Patents

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Patents > Grant date: 1920 - 1929 & Number of claims: 2-4 & Number of figures: 1-2

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airplane (25) · Frame (16) · design (13) · construction (11) · Wings (8) · Aerodynamics (7) · biplane (7) · propellers (7) · subsystem (6) · control (4) · stability (4) · fuselage (3) · lift (3) · airship (3) · wing (3)
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None (18) · CPC B64C3/00 (11) · CPC B64C2700/6235 (5) · CPC B64C2700/6233 (3) · CPC B64C35/00 (3) · CPC B64C13/00 (2) · CPC B64F2700/6261 (2)
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Showing below up to 55 results in range #1 to #55.

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