Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4832523 | Ball joint | Michael Glatzel | 1989-05-23 |
| 4812073 | Method and apparatus for fastening a sealing bellows | Hans-Joachim Schutt, Ulrich Mette, Karl-Heinz Barbet, Fritz Busse, Benno Klier | 1989-03-14 |