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Mary A. Jeffers
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Clarkston, MI, US
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Patents Grants
last 30 patents
Information
Patent Grant
Variable battery refresh charging cycles
Patent number
7,570,022
Issue date
Aug 4, 2009
GM Global Technology Operations, Inc.
Andrew M. Zettel
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
System and method for monitoring an electrical power relay in a hyb...
Patent number
7,557,583
Issue date
Jul 7, 2009
GM Global Technology Operations, Inc.
Andrew M. Zettel
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
System and method for monitoring an electrical power relay in a hyb...
Publication number
20070115604
Publication date
May 24, 2007
Andrew M. Zettel
G01 - MEASURING TESTING
Information
Patent Application
On-board battery refresh charging
Publication number
20060176024
Publication date
Aug 10, 2006
Andrew M. Zettel
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...