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Digital display system
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Patent number RE33916
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Issue date May 5, 1992
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International Business Machines Corporation
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Jesus A. Saenz
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340 - Communications: electrical
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Digital display system
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Patent number 4,727,362
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Issue date Feb 23, 1988
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International Business Machines Corporation
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Darwin P. Rackley
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Raster scan display system
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Patent number 4,580,135
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Issue date Apr 1, 1986
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International Business Machines Corporation
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David A. Kummer
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Raster scan digital display system
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Patent number 4,570,161
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Issue date Feb 11, 1986
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International Business Machines Corporation
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David A. Kummer
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Synchronization of CRT controller chips
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Patent number 4,495,594
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Issue date Jan 22, 1985
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International Business Machines Corporation
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Lewis C. Eggebrecht
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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