Drilldown: Patents

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Patents > Year granted: 1890 - 1899 & First filing: None & Number of diagram pages: 2-20

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propulsion (15) · navigation (12) · frame (8) · LTA (7) · propeller (6) · balloon (5) · marine (3) · car (3) · takeoff (3) · airfoil (2) · jet (2) · heavier-than-air (2) · glider (2) · Zeppelin (2) · sail (2) · design (2)
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