Drilldown: Patents

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Patents > National tech categories : AT 77d or USPC 244/80 & Number of claims: 6-8

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airplane (8) · stability (8) · None (7) · frame (7) · wings (6) · automatic stability (4) · propeller (4) · biplane (4) · wheels (3) · propulsion (3) · LTA (3) · subsystem (3)
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Showing below up to 36 results in range #1 to #36.

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