US Patent 9988546 Colour pencil lead
Patent 9988546 was granted and assigned to Conte on June, 2018 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
December 14, 2015
0
Date of Patent
June 5, 2018
0
Patent Applicant
Patent Application Number
15537021
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Patent Citations Received
Patent Inventor Names
Frédéric D. Claptien
0
Julien Gouerec
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Philippe Lefebvre
0
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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