CD

Charles E. Drake

IBM: 7 patents #14,640 of 70,183Top 25%
Overall (All Time): #763,795 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5724295 Partitioned dynamic memory allowing substitution of a redundant circuit in any partition and using partial address disablement and disablement override Mark A. Beiley, Thomas E. Obremski 1998-03-03
5708613 High performance redundancy in an integrated memory system Francis Creed, Mark A. Beiley, Peter Joel Jenkins 1998-01-13
5604755 Memory system reset circuit Claude L. Bertin, John A. Fifield, Erik L. Hedberg 1997-02-18
5535226 On-chip ECC status John A. Fifield, Richard D. Wheeler, Barry Joe Wolford 1996-07-09
5134616 Dynamic RAM with on-chip ECC and optimized bit and word redundancy John E. Barth, Jr., John A. Fifield, William Paul Hovis, Howard L. Kalter, Scott C. Lewis +3 more 1992-07-28
5015880 CMOS driver circuit Howard L. Kalter, Scott C. Lewis 1991-05-14
4999815 Low power addressing systems John E. Barth, Jr., William Paul Hovis, Howard L. Kalter, Gordon A. Kelley, Jr., Scott C. Lewis +2 more 1991-03-12