US Patent 8147159 Writing instrument with rotatable handles
Patent 8147159 was granted and assigned to Spyderco on April, 2012 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
November 29, 2007
Date of Patent
April 3, 2012
Patent Application Number
11947059
Patent Citations Received
Patent Inventor Names
Eric G. Glesser
0
Louis S. Glesser
0
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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