Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6835305 | Liquid filter, especially an oil filter | Peter G. Baumann, Thomas Brieden, Hans Gebert | 2004-12-28 |
| 6706181 | Liquid filter, especially an oil filter | Peter G. Baumann, Thomas Brieden, Hans Gebert, Uwe Grass | 2004-03-16 |