Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839102 | Block for containing and storing radioactive waste and process for producing such a block | Claude Kertesz, Gerard Koehly, Frank Josso | 1989-06-13 |
| 4809478 | Foam wall and ceiling hole repair method | — | 1989-03-07 |