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Patents > Office: AT & Grant date: 1913 & Patent agent: None

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Airplane (18) · wings (9) · Aerodynamics (9) · stability (8) · Propellers (7) · subsystem (7) · Frame (7) · Construction (6) · Design (6) · Hangars (5) · control (5)
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Showing below up to 45 results in range #1 to #45.

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