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Donald W. Harnack
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Dearborn, MI, US
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Patents Grants
last 30 patents
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Patent Grant
Method and system to prevent unauthorized uses of engine controllers
Patent number
8,056,538
Issue date
Nov 15, 2011
GM Global Technology Operations LLC
Donald W. Harnack
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Patent Grant
Methods and apparatus for estimating the temperature of an exhaust...
Patent number
6,755,078
Issue date
Jun 29, 2004
General Motors Corporation
Claudio A. Hernandez
G01 - MEASURING TESTING
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Patent Grant
Traction control system with fuel and spark control
Patent number
5,213,178
Issue date
May 25, 1993
General Motors Corporation
Jeffrey M. Polidan
B60 - VEHICLES IN GENERAL
Patents Applications
last 30 patents
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Patent Application
METHOD AND SYSTEM TO PREVENT UNAUTHORIZED USES OF ENGINE CONTROLLERS
Publication number
20100138133
Publication date
Jun 3, 2010
GM Global Technology Operations, Inc.
Donald W. Harnack
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
Methods and apparatus for estimating the temperature of an exhaust...
Publication number
20030226398
Publication date
Dec 11, 2003
Claudio A. Hernandez
G01 - MEASURING TESTING