Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4812892 | Light controllable thyristors | — | 1989-03-14 |
| 4807198 | Memory input buffer with hysteresis and dc margin | Stephen T. Flannagan | 1989-02-21 |
| 4803538 | Thyristor with adjustable base-to-emitter resistance | — | 1989-02-07 |