Drilldown: Patents

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Patents > Year filed: 1919 & Family year: 1900 - 1999

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airplane (16) · subsystem (8) · None (6) · wings (6) · frame (5) · propellers (5) · aerodynamics (4) · fuselage (4) · lift (3) · LTA (3) · wood (2) · automatic stability (2) · propeller (2) · control (2) · stability (2) · steering (2) · hélice (2) · wing (2)
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Showing below up to 39 results in range #1 to #39.

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