Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4277362 | Method of treating radioactively contaminated solvent waste | Heinz Mallek, Willi Plum | 1981-07-07 |
| 4194455 | Method of and furnace for burning waste material | Heinz Mallek, Dorothee Ermisch | 1980-03-25 |
| 4184437 | Furnace for waste material | Heinz Mallek | 1980-01-22 |