Erik Sunnegardh

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Alvsjo, SE

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for air fuel ratio adjustment
- Patent number 7,474,955
- Issue date Jan 6, 2009
- GM Global Technology Operations, Inc.
- Thomas Wittefeldt
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Patents Applicationslast 30 patents

Information Patent Application
Method and apparatus for air fuel ratio adjustment
- Publication number 20070185641
- Publication date Aug 9, 2007
- Thomas Wittefeldt
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...