Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7559190 | Chain link and chain sleeve of a chain, and method for producing a chain sleeve | — | 2009-07-14 |
| 7472538 | Method for producing rollers and sleeves for chains | Olaf Donath, Georg Backert, Michael Dotterweich, Alexander Fichtner, German Lang | 2009-01-06 |