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METHOD AND APPARATUS FOR INCREASING EFFECTIVE CONTRAST RATIO AND BRIGHTNESS YIELDS FOR DIGITAL LIGHT VALVE IMAGE PROJECTORS

14/257,052 | U.S. Patent Application

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Location ELECTRONIC
Filed April 21, 2014
Examiner MUSTAFIZUR RAHMAN
Class 348
Art Group 2422
Patent No. 9,300,900
Case Type Utility - 348/744000
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Parent 13/957,777 Patented
Parent 12/541,248 Patented
Parent 11/804,603 Patented
Parent 10/913,744 Patented
Parent 60/577,620 Expired
Parent 60/493,739 Expired
Last Updated: 1 year, 6 months ago
Date # Transaction