Drilldown: Patents

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Patents > Year granted: 1890 - 1899 & First filing: None & Number of figures: 6-30

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propulsion (12) · navigation (11) · LTA (9) · frame (8) · balloon (6) · car (4) · propeller (4) · design (4) · Zeppelin (2) · gas (2) · wings (2) · rigid (2) · stability (2) · heavier-than-air (2) · takeoff (2) · flapping (2) · compartments (2)
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Showing below up to 23 results in range #1 to #23.

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