US Patent 7303322 Multiple lightguide backlight
Patent 7303322 was granted and assigned to 3M on December, 2007 by the United States Patent and Trademark Office.
Is a
Current Assignee
0
Date Filed
December 23, 2003
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Date of Patent
December 4, 2007
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Patent Application Number
10744569
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Patent Inventor Names
Keith M. Kotchick
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David J. Lamb
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Kenneth A. Epstein
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Mark E. Gardiner
0
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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