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J. Robert Dees
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Charlotte, NC, US
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Patents Grants
last 30 patents
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Patent Grant
Battery separator
Patent number
6,921,608
Issue date
Jul 26, 2005
Celgard, Inc.
Ronald W. Call
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
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Patent Application
Battery separator
Publication number
20030099877
Publication date
May 29, 2003
Celgard Inc.
Ronald W. Call
B32 - LAYERED PRODUCTS