Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874513 | Disposable filter unit with filter support means at both sides of the filter element | Herbert Urlaub, Franz Grof, Klaus Cosack | 1989-10-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874513 | Disposable filter unit with filter support means at both sides of the filter element | Herbert Urlaub, Franz Grof, Klaus Cosack | 1989-10-17 |