Drilldown: Patents

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Patents > Filing date: 1900 - 1909 & National tech categories : AT 77d or USPC 244/3.23 or USPC 244/30 or USPC 244/80 & First filing: No & Cites these patents : 1910 or Patent AT-1909-47911 or Patent GB-1912-5966 or USPC 244/87 or None

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frame (9) · LTA (7) · Airplane (6) · propulsion (5) · navigation (5) · propellers (4) · propeller (4) · car (4) · wings (3) · safety (3) · rudder (3) · Lift (3) · balloon (3) · construction (3)
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