Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5057232 | Filter element and method of filtration | Ivo Schumacher, Werner Stahl, Walter Stocker | 1991-10-15 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5057232 | Filter element and method of filtration | Ivo Schumacher, Werner Stahl, Walter Stocker | 1991-10-15 |