Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5665245 | Process for recirculating and purifying waste water from a vehicle washing installation | Erhard Crema | 1997-09-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5665245 | Process for recirculating and purifying waste water from a vehicle washing installation | Erhard Crema | 1997-09-09 |