Drilldown: Patents

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Patents > Tech fields : Safety or airplane or design or lift & Supplementary to patent: None & National tech categories : AT 77d or FR 6.2 or GB 4 propel & steer

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None (31) · Reinhold Richter (3) · Ludwig Schmidl (3) · André-Julien Mahoudeau (2) · Oszkár Asbóth (2) · August Warchalowski (2) · Pierre Levasseur (2) · Eduard Zaparka (2)
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None (54) · Ludwig Schmidl (3) · Reinhold Richter (3) · André-Julien Mahoudeau dit de Villethiou (2) · August Warchalowski (2) · Pierre Levasseur (2)
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