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PIONEER PLASMA DISPLAY CORPORATION

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HACHIRO YAMADA NEC CORPORATION, Assignor PANASONIC CORPORATION, Assignor PIONEER CORPORATION, Assignor NEC PLASMA DISPLAY CORPORATION, Assignor

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GRAY SCALE EXPRESSION METHOD AND GRAY SCALE DISPLAY DEVICE

08/936,801 | U.S. Patent Application

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Location FILE REPOSITORY (FRANCONIA)

Filed Sept. 24, 1997

Examiner DUC Q DINH

Class 345

Art Group 2674

Patent No. 6,323,880

Case Type Utility - 345/690000

Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362

Child 8-253158

Child 9-049380

Last Updated: 1 year, 4 months ago

Date	#	Transaction
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GRAY SCALE EXPRESSION METHOD AND GRAY SCALE DISPLAY DEVICE

08/936,801 | U.S. Patent Application

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