Drilldown: Patents

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Patents > Applicant type : UNIV-PRO-GOV or Other & Publication date: 1800 - 1899 & Number of text pages: 1-2

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LTA (16) · Propulsion (8) · Propellers (5) · balloon (5) · captive (5) · kite (4) · design (4) · propeller (4) · marine (4) · helicopter (4) · steering (3) · aerodynamics (3) · hybrid (3) · electricity (3) · Dirigibles (3) · None (3) · Wings (3) · balloons (3)
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Showing below up to 39 results in range #1 to #39.

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