Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887239 | One-time programmable data security system for programmable logic device | — | 1989-12-12 |
| 4879688 | In-system programmable logic device | David L. Rutledge, Roy D. Darling | 1989-11-07 |
| 4855954 | In-system programmable logic device with four dedicated terminals | David L. Rutledge, Roy D. Darling | 1989-08-08 |
| 4852044 | Programmable data security circuit for programmable logic device | Jerome E. Liebler | 1989-07-25 |
| 4833646 | Programmable logic device with limited sense currents and noise reduction | — | 1989-05-23 |