Drilldown: Patents

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Patents > Inventor country: AT & Patent agent : Dupont et Elluin or Frazer Furk something or None & Assigned to : Rubber Balloon Company of America or Sperry Gyroscope Company or None & National tech categories : AT 77d or FR 6.3 or FR 6.4 or USPC 244/90R

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None (28) · Adolf Warchalowski (4) · Ludwig Schmidl (3) · Adolf Freiherr Odkolek von Augezd (3) · August Warchalowski (2) · Ignaz Etrich (2) · Franz Blicharski (2) · Eduard Zaparka (2) · Fritz Edelstein (2)
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Tech fields:
airplane (47) · frame (22) · Design (18) · Construction (16) · Wings (13) · Propellers (10) · propulsion (9) · subsystem (9) · Tragfläche (8) · wheels (8) · chassis (8) · military (7) · flapping (7) · Stability (7) · biplane (7) · propeller (6) · landing (6) · Aerodynamics (6) · LTA (6)
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Showing below up to 79 results in range #1 to #79.

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