US Patent 8172332 Chair backrest device
Patent 8172332 was granted and assigned to Okamura on May, 2012 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
November 9, 2007
Date of Patent
May 8, 2012
Patent Application Number
12513949
Patent Citations Received
Patent Inventor Names
Hiroshi Masunaga
0
Ryo Igarashi
0
Yoichiro Oda
0
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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