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Patents > Year filed: 1894 & Granted: Yes & Related to aircraft : 0.5 or 1909-11-30 or navigation or Other

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Inventors:
Wilhelm Goetjes (5) · Ramiro de Palacios (5) · Hermann Ganswindt (4) · Carl Oetling (3) · Raphael Ernst May (2) · F. Gaebert (2) · Joseph Hofmann (2) · Emil Lachmann (2) · Hofmann (2)
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None (27) · Raphael Ernst May (2) · F. Gaebert (2) · Joseph Hofmann (2) · Emil Lachmann (2) · Hofmann (2)
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Tech fields:
propulsion (20) · LTA (17) · propeller (12) · navigation (12) · frame (8) · marine (7) · balloon (7) · design (5) · fabric (4) · track (4) · airfoil (4) · None (3) · Dirigible (3) · gas (3) · airship (3) · steam (3) · steering (3)
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