Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4832899 | Mechanical spectral shift reactor | Donald G. Sherwood | 1989-05-23 |
| 4820058 | Control rod end plug with a stabilizing configuration | Samuel Cerni, Robert K. Gjertsen | 1989-04-11 |
| 4820475 | Burnable absorber rod push out attachment joint | Joseph Mayers, Robert K. Gjertsen | 1989-04-11 |
| 4798699 | Wear sleeve for a control rod end plug | Samuel Cerni, Robert K. Gjertsen | 1989-01-17 |