Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5628898 | Backwashable filter having elements with elastically deflectable lips | Hans-Werner Schildmann, Dieter Patzig, Dirk Trostmann | 1997-05-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5628898 | Backwashable filter having elements with elastically deflectable lips | Hans-Werner Schildmann, Dieter Patzig, Dirk Trostmann | 1997-05-13 |