Drilldown: Patents

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Patents > Year filed: 1900 - 1909 & Inventor country: AT & IPCs: None

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Inventors:
None (4) · Ignaz Etrich (4) · Edmund Sparmann (3) · Adalbert Plaček (3) · Hugo Hueckel (3) · Alois Laube Jr. (3) · Josef Deixler (2) · Pius Beidl (2) · Josef Řehulka (2) · Mór Markl (2) · Erich von Bernd (2)
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Tech fields:
propulsion (12) · airplane (12) · None (11) · LTA (10) · Design (9) · wings (9) · propeller (8) · subsystem (7) · control (7) · Flapping (6) · Steering (6) · stability (6) · frame (6) · construction (6) · whole (5) · balloon (5) · Propellers (5) · navigation (5) · gyroscope (4) · marine (4)
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