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I/O register protection circuit
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Patent number 5,339,394
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Issue date Aug 16, 1994
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International Business Machines Corporation
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Lee E. Johnson
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G06 - COMPUTING CALCULATING COUNTING
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Flexible dynamic memory controller
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Patent number 5,301,278
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Issue date Apr 5, 1994
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International Business Machines Corporation
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Ronald J. Bowater
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G06 - COMPUTING CALCULATING COUNTING
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Logic circuit for task processing
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Patent number 5,280,616
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Issue date Jan 18, 1994
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International Business Machines Corporation
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Nicholas D. Butler
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G06 - COMPUTING CALCULATING COUNTING
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Virtual display adapter
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Patent number 5,113,180
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Issue date May 12, 1992
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International Business Machines Corporation
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Satish Gupta
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G06 - COMPUTING CALCULATING COUNTING
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Display using ordered dither
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Patent number 4,956,638
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Issue date Sep 11, 1990
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International Business Machines Corporation
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Steven P. Larky
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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