US Patent 7397591 Optical scanner and image forming apparatus
Patent 7397591 was granted and assigned to RICOH COMPANY,LTD. on July, 2008 by the United States Patent and Trademark Office.
Is a
Date Filed
October 17, 2007
Date of Patent
July 8, 2008
Patent Application Number
11873635
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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