Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6357754 | Seal for a bearing bush | Guido Rieder, Siegfried Gotz, Martin Kruppa | 2002-03-19 |
| 6050571 | Sealing arrangement for a cardan spider bushing | Guido Rieder, Siegfried Gotz, Martin Kruppa | 2000-04-18 |