Drilldown: Patents

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Patents > Year granted: 1890 - 1899 & Inventor country: DE & First filing: No

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Inventors:
Dr. Bernhard Reinhard Beenen (4) · Joseph Hofmann (4) · F. Gaebert (3) · Ferdinand von Zeppelin (3) · August Riedinger (2) · J.H. Homeister (2) · Rudolf Diesel (2) · Gustav Fricke (2)
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LTA (21) · propulsion (15) · balloon (11) · navigation (10) · frame (10) · car (8) · None (7) · stability (6) · hybrid (6) · electricity (5) · helicopter (5) · propeller (5) · airplane (5) · wheels (5) · takeoff (4) · marine (4)
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