Robert G. Siefker

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Greenwood, IN, US

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Patents Grantslast 30 patents

Information Patent Grant
Exhaust mixer and apparatus using same
- Patent number 6,606,854
- Issue date Aug 19, 2003
- Allison Advanced Development Company
- Robert G. Siefker
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Coupling system for connecting a gas turbine engine to an aircraft...
- Patent number 6,267,327
- Issue date Jul 31, 2001
- Allison Advanced Development Company
- Robert G. Siefker
- B64 - AIRCRAFT AVIATION COSMONAUTICS

Patents Applicationslast 30 patents

Information Patent Application
Exhaust mixer and apparatus using same
- Publication number 20040068981
- Publication date Apr 15, 2004
- Robert G. Siefker
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT