Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4978633 | Hierarchical variable die size gate array architecture | David F. Seefeldt, David Vail | 1990-12-18 |
| 4864381 | Hierarchical variable die size gate array architecture | David F. Seefeldt, David Vail | 1989-09-05 |
| 4723244 | Method and apparatus for preserving the integrity of the error detection/correction word in a code word | — | 1988-02-02 |