Drilldown: Patents

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Patents > Filing date: 1894 & Grant date: 1890 - 1899

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Inventors:
Wilhelm Goetjes (3) · Ramiro de Palacios (3) · Joseph Hofmann (2) · Raphael Ernst May (2) · Carl Oetling (2) · Nicholas H. Borgfeldt (2) · Emil Lachmann (2)
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LTA (13) · propulsion (12) · navigation (10) · propeller (8) · balloon (6) · marine (4) · frame (4) · track (4) · None (4) · fabric (4) · airship (4) · gas (3) · design (3) · steering (3) · airfoil (3)
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