Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5573676 | Process and a device for the decomposition of free and complex cyanides, AOX, mineral oil, complexing agents, cod, nitrite, chromate, and separation of metals in waste waters | Karl F. Massholder, Erwin Ecker | 1996-11-12 |
| 5336842 | Process and device for cleaning polluted solids | Karl F. Massholder | 1994-08-09 |