Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698098 | Oil filter housing including a valved drain opening | Arthur Klotz, Rudolf Leipelt | 1997-12-16 |
| 5695633 | Oil filter support tube and housing cover with snap detent connection therebetween | Herbert Jainek, Arthur Klotz | 1997-12-09 |
| 5696318 | Air intake for an internal combustion engine | Rudolf Leipelt | 1997-12-09 |
| 5622583 | Method of producing a filter insert | Arthur Klotz, Michael Kolmeder, Bernhard Wimmer | 1997-04-22 |