Drilldown: Patents

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Patents > Patent agent : Armengaud jeune or Victor J. Evans or None & National tech categories : FR 6.3 or GB 4 propel & steer & Family year: 1890 - 1899 & First filing: None

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propulsion (12) · LTA (8) · airplane (4) · balloon (4) · Navigation (4) · propeller (3) · wheels (2) · car (2) · subsystem (2) · marine (2) · frame (2) · heavier-than-air (2) · safety (2)
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Showing below up to 36 results in range #1 to #36.

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