Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5260952 | Fault tolerant logic system | Kenneth E. Beilstein, Jr., John A. Fifield, Lawrence G. Heller, Hsing-San Lee | 1993-11-09 |
| 5134616 | Dynamic RAM with on-chip ECC and optimized bit and word redundancy | John E. Barth, Jr., Charles E. Drake, John A. Fifield, William Paul Hovis, Howard L. Kalter +3 more | 1992-07-28 |