Drilldown: Patents

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Patents > Year filed: 1903 & Assigned to : William Woods Plankinton or None & National tech categories : USPC 244/3.23 or USPC 244/30 or None

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None (17) · propeller (7) · LTA (7) · propulsion (5) · navigation (3) · balloon (3) · fun (3) · car (3) · rudder (3) · airfoil (2) · construction (2) · parachute (2) · aerostat (2) · gas (2) · frame (2) · airplane (2) · safety (2) · toy (2)
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Showing below up to 43 results in range #1 to #43.

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