Drilldown: Patents

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Patents > Filing date: 1900 - 1909 & National tech categories : USPC 244/30 or USPC 244/93

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LTA (23) · navigation (13) · propulsion (10) · frame (9) · stability (8) · car (7) · airplane (6) · rudder (6) · safety (5) · None (4) · propeller (4) · wheels (3) · takeoff (3) · parachute (2) · marine (2) · compartments (2) · biplane (2) · balloon (2) · automatic stability (2) · airfoil (2)
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Showing below up to 34 results in range #1 to #34.

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