Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880493 | Electronic-carrier-controlled photochemical etching process in semiconductor device fabrication | David R. Myers, Frederick L. Vook | 1989-11-14 |
| 4838989 | Laser-driven fusion etching process | Paul J. Brannon, James B. Gerardo | 1989-06-13 |