Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880596 | Thermionic switched self-actuating reactor shutdown system | Donald M. Barrus, William A. Brummond | 1989-11-14 |
| 4747998 | Thermally actuated thermionic switch | Donald M. Barrus | 1988-05-31 |