US Patent D584422 Ladder leveler stile
Patent D584422 was granted and assigned to Werner Co. on January, 2009 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
January 14, 2006
0
Date of Patent
January 6, 2009
0
Patent Application Number
29251863
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Patent Citations Received
Patent Inventor Names
James J. Grebinoski
0
Joseph C. Dangrow
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Sergio DeOliveira
0
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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