US Patent 8690576 Braille display device and method of constructing same
Is a
Date Filed
February 28, 2012
1
Date of Patent
April 8, 2014
1
Patent Application Number
13407364
1
Patent Inventor Names
Michael Goldenberg
1
Todd Conard
1
Waldemar Tunkis
1
Patrick Murphy
1
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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