Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4349465 | Process for the treatment of combustible, solid radioactive wastes | Helfried Lahr, Peter Schween, Herbert Wieczorek | 1982-09-14 |
| 4209399 | Process for the working up and regeneration of wash waters containing ammonium | Helfried Lahr | 1980-06-24 |