Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4821093 | Dual channel high electron mobility field effect transistor | Gerald J. Iafrate, Louis C. Poli, Thomas Aucoin | 1989-04-11 |
| H596 | Method of etching titanium diboride | — | 1989-03-07 |
| H597 | Method of etching zirconium diboride | Bonnie L. Kwiatkowski | 1989-03-07 |