Drilldown: Patents

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Patents > Year filed: 1919 & Grant date: 1900 - 1999 & Granted: Yes

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Tech fields:
airplane (16) · subsystem (8) · Propellers (8) · frame (7) · wings (6) · aerodynamics (5) · design (4) · LTA (4) · stability (3) · propulsion (3) · fuselage (3) · construction (3)
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Showing below up to 42 results in range #1 to #42.

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