Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881512 | Internal combustion engine ignition system | James C. Erskine | 1989-11-21 |
| 4811063 | JMOS transistor utilizing polysilicon sinks | Kailash C. Jain, Bernard A. MacIver | 1989-03-07 |