US Patent 6902403 Contaminant-tolerant braille pins
Patent 6902403 was granted and assigned to Freedom Scientific on June, 2005 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
August 4, 2004
0
Date of Patent
June 7, 2005
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Patent Application Number
10710808
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Patent Citations Received
Patent Inventor Names
Michael Goldenberg
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Patent Jurisdiction
Patent Number
Patent Primary Examiner
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