US Patent D539441 Tile surface
Patent D539441 was granted and assigned to Tubemaster, Inc. on March, 2007 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
October 3, 2005
0
Date of Patent
March 27, 2007
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Patent Application Number
29239702
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Patent Inventor Names
Clifford L. Johns
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Daniel D. Sympson
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August M. Dattilo
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Patent Jurisdiction
Patent Number
Patent Primary Examiner
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