Drilldown: Patents

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Patents > Year filed: 1890 - 1899 & Inventor country: DE & Assigned to: None & Number of text pages: 1-2

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Inventors:
August Riedinger (4) · Andreas Ożegowski (3) · Richard Czygan (3) · None (2) · Carl Georg Rodeck (2) · Hermann Ganswindt (2) · Ferdinand von Zeppelin (2) · F. Gaebert (2) · Emil Lachmann (2) · Max Nathan (2) · Oscar Roeper (2) · Dr. Bernhard Reinhard Beenen (2) · Gustav Fricke (2) · Sophus Hartmann (2) · Raphael Ernst May (2)
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Tech fields:
LTA (30) · propulsion (21) · balloon (16) · propeller (13) · navigation (12) · frame (12) · captive (6) · marine (6) · kite (6) · hybrid (6) · car (6) · gas (5) · electricity (5) · None (5) · airship (5) · airplane (5)
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