Walter Gerd Oskar Sonneborn

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Colleyville, TX, US

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Patents Applicationslast 30 patents

Information Patent Application
LOW SPEED AUTOGYRO YAW CONTROL APPARATUS AND METHOD
- Publication number 20120312915
- Publication date Dec 13, 2012
- GROEN BROTHERS AVIATION, INC
- Walter Gerd Oskar Sonneborn
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
PRE-LANDING, ROTOR-SPIN-UP APPARATUS AND METHOD
- Publication number 20120168556
- Publication date Jul 5, 2012
- GROEN BROTHERS AVIATION
- Walter Gerd Oskar Sonneborn
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
ROTOR UNLOADING APPARATUS AND METHOD
- Publication number 20120168568
- Publication date Jul 5, 2012
- GROEN BROTHERS AVIATION
- Walter Gerd Oskar Sonneborn
- B64 - AIRCRAFT AVIATION COSMONAUTICS