Drilldown: Patents

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Patents > Filing date: 1890 - 1899 & Publication date: 1800 - 1899 & Family year: 1800 - 1899

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Inventors:
Otto Lilienthal (3) · F. Gaebert (2) · Gustav Lilienthal (2) · Gustav Fricke (2) · August Riedinger (2) · Jean Dusséqué (2) · Dr. Bernhard Reinhard Beenen (2)
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Tech fields:
LTA (17) · propulsion (10) · frame (7) · design (6) · propeller (6) · None (5) · Dirigibles (5) · Propellers (5) · hybrid (4) · Airship (4) · Balloons (4) · kite (4) · helicopter (4) · steering (4) · airplane (4) · marine (4) · balloon (4)
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