Drilldown: Patents

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Patents > Publication date: 1800 - 1899 & Family year: 1800 - 1899 & First filing: No

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Inventors:
Otto Lilienthal (8) · Gustav Fricke (2) · Dr. Bernhard Reinhard Beenen (2) · Jean Dusséqué (2)
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LTA (19) · propulsion (14) · navigation (6) · None (6) · design (5) · propellers (5) · propeller (5) · airplane (4) · balloon (4) · frame (4) · flapping (4) · car (4) · Dirigibles (4) · dirigible (4) · helicopter (3) · marine (3) · hybrid (3) · Blimp (3) · balloons (3) · Airship (3)
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