Drilldown: Patents

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Patents > Office : ?? or AT or DE or GB or HU or NZ & Inventor country : AH or DE or GB & Grant date: 1890 - 1899 & IPCs : IPC B64B1/58 or None & Number of diagram pages: 1

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Inventors:
August Riedinger (3) · Richard Czygan (3) · Dr. Bernhard Reinhard Beenen (2) · Edward Joel Pennington (2) · Gustav Fricke (2) · Raphael Ernst May (2) · Ferdinand von Zeppelin (2) · Oscar Roeper (2)
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Tech fields:
LTA (21) · propulsion (14) · propeller (10) · navigation (8) · balloon (8) · car (7) · frame (6) · marine (5) · hybrid (5) · captive (5) · helicopter (4) · design (4) · ascension (4)
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Showing below up to 48 results in range #1 to #48.

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