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Adder circuit and method therefor
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Patent number 6,055,557
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Issue date Apr 25, 2000
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International Business Machines Corp.
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John Andrew Beck
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G06 - COMPUTING CALCULATING COUNTING
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Disk drive lubricant reservoir
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Patent number 5,138,506
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Issue date Aug 11, 1992
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International Business Machines Corporaton
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John L. Beck
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G11 - INFORMATION STORAGE
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Disk drive breather filter
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Patent number 5,030,260
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Issue date Jul 9, 1991
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International Business Machines Corporation
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John L. Beck
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Linear jitter attenuator
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Patent number 4,941,156
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Issue date Jul 10, 1990
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Crystal Semiconductor
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Kenneth J. Stern
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G06 - COMPUTING CALCULATING COUNTING
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Disk drive air filter assembly
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Patent number 4,633,349
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Issue date Dec 30, 1986
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International Business Machines Corporation
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John L. Beck
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G11 - INFORMATION STORAGE
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