US Patent 7417794 Polymer sheet for projection screen
Patent 7417794 was granted and assigned to Stewart Filmscreen on August, 2008 by the United States Patent and Trademark Office.
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Patent Inventor Names
Gary Allan Browning0
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Patent abstract
A polymer sheet for use in a projection screen comprises polyorgano silsesquioxane microspheres that enhance light diffusing characteristics. Also disclosed is a projection screen comprising at least two glass plates and the polymer sheet disposed therebetween. Also disclosed is a method of manufacturing a polymer sheet by incorporating the microspheres with the polymer.
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US Patent 07417794 Polymer sheet for projection screen US Patent 7417794 Polymer sheet for projection screen
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Patent Number
074177940
Patent Number
74177940
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Is a
Current Assignee
Patent Jurisdiction
Patent Number
074177940
Date of Patent
August 26, 2008
0Patent Application Number
118341130
Date Filed
August 6, 2007
0Official Website
Patent Primary Examiner
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US Patent 07417794 Polymer sheet for projection screen
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07417794
Date of patent
August 26, 2008
Patent application number
11834113
Date Filed
August 6, 2007
Patent primary examiner
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