Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868624 | Channel collector transistor | Bernard L. Grung, Raymond M. Warner, Jr. | 1989-09-19 |
| 4829020 | Substrate solder barriers for semiconductor epilayer growth | Timothy Drummond, David S. Ginley | 1989-05-09 |
| 4797716 | Field-effect transistor having a superlattice channel and high carrier velocities at high applied fields | Roger J. Chaffin, Ralph Edward Dawson, Ian J. Fritz, Gordon C. Osbourn | 1989-01-10 |