Drilldown: Patents

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Patents > Office: DE & Family year: 1890 - 1899 & Number of figures: 6-14

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LTA (13) · propulsion (10) · Frame (6) · None (5) · navigation (5) · propeller (4) · stability (3) · airship (3) · car (3) · Design (3) · flapping (2) · ornithopter (2) · Aerodynamics (2) · kite (2) · Wings (2) · control (2) · balloon (2)
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Showing below up to 33 results in range #1 to #33.

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