Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4825277 | Trench isolation process and structure | Steven Fong | 1989-04-25 |
| 4801350 | Method for obtaining submicron features from optical lithography technology | Frederick J. Robinson | 1989-01-31 |