Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855244 | Method of making vertical PNP transistor in merged bipolar/CMOS technology | Joe R. Trogolo | 1989-08-08 |
| 4819052 | Merged bipolar/CMOS technology using electrically active trench | — | 1989-04-04 |
| 4805071 | High voltage capacitor for integrated circuits | John P. Erdeljac | 1989-02-14 |