Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4544374 | Apparatus for burning organic materials | Heinz Mallek, Manfred Laser | 1985-10-01 |
| 4194455 | Method of and furnace for burning waste material | Heinz Mallek, Werner Jablonski | 1980-03-25 |