Keith E. Duvall

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Georgetown, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and associated method for compressing and decompressing d...
- Patent number 5,673,209
- Issue date Sep 30, 1997
- International Business Machines Corporation
- Ronald L. Heiney
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and method for controlling computer output devices by utiliz...
- Patent number 5,659,795
- Issue date Aug 19, 1997
- International Business Machines Corporation
- Keith E. Duvall
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method to automatically increase the segment size of unix files in...
- Patent number 4,761,737
- Issue date Aug 2, 1988
- International Business Machines Corporation
- Keith E. Duvall
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method to share copy on write segment for mapped files
- Patent number 4,742,450
- Issue date May 3, 1988
- International Business Machines Corporation
- Keith E. Duvall
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method to control I/O accesses in a multi-tasking virtual memory vi...
- Patent number 4,742,447
- Issue date May 3, 1988
- International Business Machines Corporation
- Keith E. Duvall
- G06 - COMPUTING CALCULATING COUNTING