US Patent 7484909 Reinforced composite manhole cover assembly
Patent 7484909 was granted and assigned to Gmi Composites Inc. on February, 2009 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
August 27, 2007
0
Date of Patent
February 3, 2009
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Patent Application Number
11845550
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Patent Citations Received
Patent Inventor Names
Aidan R. Brady
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Robert C. Brady
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Patent Jurisdiction
Patent Number
Patent Primary Examiner
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