Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879688 | In-system programmable logic device | John E. Turner, Roy D. Darling | 1989-11-07 |
| 4855954 | In-system programmable logic device with four dedicated terminals | John E. Turner, Roy D. Darling | 1989-08-08 |