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Ansis Upatnieks
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Ann Arbor, MI, US
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Patents Grants
last 30 patents
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Patent Grant
Method and apparatus for operating a spark-ignited direct fuel inje...
Patent number
7,610,900
Issue date
Nov 3, 2009
GM Global Technology Operations, Inc.
Andreas M. Lippert
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Patents Applications
last 30 patents
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Patent Application
Method and apparatus for operating a spark-ignited direct fuel inje...
Publication number
20070261672
Publication date
Nov 15, 2007
GM Global Technology Operations, Inc.
Andreas M. Lippert
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...