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Patent applications and USPTO patent grants for Duvall; Keith E..The latest application filed is for "apparatus and associated method for compressing and decompressing digital data".
Patent | Date |
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Apparatus and associated method for compressing and decompressing digital data Grant 5,673,209 - Heiney , et al. September 30, 1 | 1997-09-30 |
System and method for controlling computer output devices by utilizing both their static and dynamic attributes Grant 5,659,795 - Duvall , et al. August 19, 1 | 1997-08-19 |
Method to automatically increase the segment size of unix files in a page segmented virtual memory data processing system Grant 4,761,737 - Duvall , et al. August 2, 1 | 1988-08-02 |
Method to control I/O accesses in a multi-tasking virtual memory virtual machine type data processing system Grant 4,742,447 - Duvall , et al. May 3, 1 | 1988-05-03 |
Method to share copy on write segment for mapped files Grant 4,742,450 - Duvall , et al. May 3, 1 | 1988-05-03 |
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