Drilldown: Patents

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Patents > Filing date: April 1912 & Grant date: 1910 - 1919 & IPCs: None

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None (3)
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Tech fields:
None (13) · Airplane (9) · stability (5) · frame (5) · wings (5) · propulsion (4) · Airship (4) · construction (4) · Design (4) · navigation (3) · car (2) · control (2) · aerodynamics (2) · propeller (2) · marine (2) · propellers (2) · rudder (2)
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None (6) · USPC 244/93 (2) · USPC 244/88 (2) · USPC 244/234 (2) · HU V/h (2)
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Showing below up to 37 results in range #1 to #37.

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