US Patent D506504 Ball point pen
Patent D506504 was granted and assigned to Pentel on June, 2005 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
August 17, 2004
0
Date of Patent
June 21, 2005
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Patent Application Number
29211510
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Patent Citations Received
Patent Inventor Names
Hidekazu Nakazawa
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Naohiko Noto
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Patent Jurisdiction
Patent Number
Patent Primary Examiner
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