Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4778277 | Mixing device | Gerhard Kratz, Helmut Walter | 1988-10-18 |
| 4636363 | Apparatus and method for conditioning radioactive wastes for ultimate storage | Gerhard Kratz, Siegfried Meininger, Dietmar Bege | 1987-01-13 |