US Patent 7886872 Electrician's ladder and method
Patent 7886872 was granted and assigned to Werner Co. on February, 2011 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
February 21, 2006
Date of Patent
February 15, 2011
Patent Application Number
11358626
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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