Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870029 | Method of forming complementary device structures in partially processed dielectrically isolated wafers | Daniel D. Leffel | 1989-09-26 |
| 4839309 | Fabrication of high-speed dielectrically isolated devices utilizing buried silicide outdiffusion | Anatoly Feygenson | 1989-06-13 |
| 4820653 | Technique for fabricating complementary dielectrically isolated wafer | Daniel D. Leffel | 1989-04-11 |