Keith E. Duvall — 5 Patents at IBM

Keith E. Duvall has been granted 5 US patents while listed as an inventor at IBM. The first was granted in 1988 and the most recent in September 1997. Keith E. Duvall ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Keith E. Duvall in Georgetown, TX, US.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
5673209	Apparatus and associated method for compressing and decompressing digital data	Ronald L. Heiney, Anthony Franke Stuart, Claude A. Bugg, Gregory S. Felderman, Steven M. Scott	1997-09-30	$18,961,000
5659795	System and method for controlling computer output devices by utilizing both their static and dynamic attributes	Ronald L. Heiney, Anthony Franke Stuart, Claude A. Bugg, Gregory S. Felderman, Stuart M. Walker	1997-08-19	$11,736,000
4761737	Method to automatically increase the segment size of unix files in a page segmented virtual memory data processing system	Anthony D. Hooten, John C. O'Quin, III, Todd A. Smith	1988-08-02	$44,612,000
4742447	Method to control I/O accesses in a multi-tasking virtual memory virtual machine type data processing system	Anthony D. Hooten	1988-05-03	$25,181,000
4742450	Method to share copy on write segment for mapped files	Anthony D. Hooten, Larry K. Loucks	1988-05-03	$25,181,000

Keith E. Duvall — 5 Patents

Issued Patents All Time

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