US Patent 8719997 Pass-through vacuum
Patent 8719997 was granted and assigned to Guardair Corporation on May, 2014 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
February 28, 2011
0
Date of Patent
May 13, 2014
0
Patent Application Number
13036271
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Patent Inventor Names
Richard D. Nathenson
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Mark W. Yorns
0
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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