Drilldown: Patents

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Patents > Publication date: 1800 - 1899 & Number of text pages: 1-2

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Inventors:
Otto Lilienthal (3) · None (2) · Gustav Fricke (2) · Carl Georg Rodeck (2) · Dr. Bernhard Reinhard Beenen (2)
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Tech fields:
LTA (21) · propulsion (15) · propeller (7) · balloon (7) · navigation (6) · design (5) · Propellers (5) · frame (5) · captive (5) · None (4) · marine (4) · helicopter (4) · kite (4)
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