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Erich Chuh
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San Mateo, CA, US
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last 30 patents
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Patent Grant
Disk drive platter using sputter shadows thereon for determining or...
Patent number
6,567,240
Issue date
May 20, 2003
International Business Machines Corporation
Bradley Frederick Baumgartner
G11 - INFORMATION STORAGE
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last 30 patents
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Patent Application
Apparatus and method of using sputter shadows on disk for determini...
Publication number
20020118630
Publication date
Aug 29, 2002
International Business Machines Corporation
Bradley Frederick Baumgartner
G11 - INFORMATION STORAGE