Drilldown: Patents

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Patents > Year granted: 1890 - 1899 & Applicant is inventor: Yes & Publication date: 1800 - 1899 & First filing: No

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LTA (14) · propulsion (11) · frame (6) · Design (6) · propeller (6) · hybrid (4) · Dirigibles (4) · dirigible (4) · navigation (4) · propellers (4) · balloons (4) · Blimp (3) · helicopter (3) · balloon (3) · airplane (3) · None (3)
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