Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5198020 | Removal of zinc from phosphating process sludges | Wolfgang Fennemann, Dieter Jentsch | 1993-03-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5198020 | Removal of zinc from phosphating process sludges | Wolfgang Fennemann, Dieter Jentsch | 1993-03-30 |