Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5227048 | Backwashable filter device having means to add additional fluids to filtrate backwash fluid | Heinrich Seibel, Rudi Siller | 1993-07-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5227048 | Backwashable filter device having means to add additional fluids to filtrate backwash fluid | Heinrich Seibel, Rudi Siller | 1993-07-13 |