US Patent 7490439 Double floor structure
Patent 7490439 was granted and assigned to Obayashi Corporation on February, 2009 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
January 31, 2003
0
Date of Patent
February 17, 2009
0
Patent Application Number
10503270
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Patent Inventor Names
Mitsuru Nakamura
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Akira Teramura
0
Hiroyuki Kishi
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Kenji Igarashi
0
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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