Drilldown: Patents

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Patents > Year filed: 1913 & National tech categories : AT 77d or USPC 244/45R or USPC 244/80

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Airplane (18) · stability (9) · frame (7) · None (6) · construction (6) · automatic stability (5) · wheels (4) · LTA (4) · Aerodynamics (4) · wings (4) · chassis (3) · control (3) · Design (3) · safety (3) · Landing (3) · Propellers (3)
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Showing below up to 37 results in range #1 to #37.

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