Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851119 | Machine for pressing and dewatering or filtering | Dag Bergloff, Reinhard Pinter | 1989-07-25 |
| 4812234 | Oil sludge conditioning equipment | Stamatios Stefou | 1989-03-14 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851119 | Machine for pressing and dewatering or filtering | Dag Bergloff, Reinhard Pinter | 1989-07-25 |
| 4812234 | Oil sludge conditioning equipment | Stamatios Stefou | 1989-03-14 |