Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4642204 | Method of containing radioactive or other dangerous waste material and a container for such waste material | Ragnar Tegman | 1987-02-10 |
| 4238636 | Heater for resistance furnaces | — | 1980-12-09 |