Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853753 | Resonant-tunneling device, and mode of device operation | Alfred Yi Cho, Susanta Sen | 1989-08-01 |
| 4849799 | Resonant tunneling transistor | Harry T. French, Arthur C. Gossard, Albert Lee Hutchinson, Richard A. Kiehl, Sustana Sen | 1989-07-18 |