US Patent 8171933 Respirator having preloaded nose clip
Patent 8171933 was granted and assigned to 3M on May, 2012 by the United States Patent and Trademark Office.
Is a
Current Assignee
0
Date Filed
August 25, 2005
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Date of Patent
May 8, 2012
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Patent Application Number
11211962
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Patent Citations Received
Patent Inventor Names
Thomas J. Xue
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Yonas Gebrewold
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Patent Jurisdiction
Patent Number
Patent Primary Examiner
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