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Stephen P Gierak
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Rochester Hills, MI, US
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Patents Grants
last 30 patents
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Patent Grant
Steering column impact test process and apparatus
Patent number
6,435,001
Issue date
Aug 20, 2002
DaimlerChrysler Corporation
Seung-Jae Song
G01 - MEASURING TESTING
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Patent Grant
Head impact protection using fluid viscosity
Patent number
6,234,526
Issue date
May 22, 2001
DaimlerChrysler Corporation
Seung-Jae Song
B60 - VEHICLES IN GENERAL
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Patent Grant
Energy absorbing device for steering column
Patent number
5,452,916
Issue date
Sep 26, 1995
Chrysler Corporation
Gregory A. Beecher
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS