Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4608588 | Semiconductor device manufactured by using a multilayer mask | Marc Tessier | 1986-08-26 |
| 4443933 | Utilizing multi-layer mask to define isolation and device zones in a semiconductor substrate | — | 1984-04-24 |