US Patent 7658820 Digester wash extraction by individual screen flow control
Patent 7658820 was granted and assigned to International Paper on February, 2010 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
October 30, 2008
0
Date of Patent
February 9, 2010
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Patent Application Number
12290352
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Patent Inventor Names
Wayne G Hill
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David R Code
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Dean K Lawrence
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Stanislaus L Ludwig
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Patent Jurisdiction
Patent Number
Patent Primary Examiner
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