Ernst Emil Freytag
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Inventor Ernst Emil Freytag is described on a patent as an Manufacturer at 2 Schlossgraben, Zwickau, Saxony, Germany.[1]
Patents whose inventor or applicant is Ernst Emil Freytag
- Patent DE-1908-232250 (English title: Airplane with oscillating aerodynamic surfaces mounted on transverse axis of frame, Filing date: 1908-07-31)
- Patent GB-1910-13298 (English title: Improvements in aeroplanes, Supplementary to patent: Patent DE-1908-232250, Filing date: 1910-06-01)
- Patent FR-1910-416676 (English title: Kite with support surfaces oscillating around the transverse axes of the chassis, Supplementary to patent: Patent DE-1908-232250, Filing date: 1910-06-02)
- Patent US-1910-985126 (English title: Aeroplane, Supplementary to patent: Patent DE-1908-232250, Filing date: 1910-06-25)
References
- ↑ Text of Patent GB-1910-13298
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| Countries | DE, FR, GB |
| Locations | Germany |
| Occupations | Manufacturer |
| Tech areas | Kite, Construction, Frame, Chassis, Lift, Stability, Navigation, Automatic stability |
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