Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6467599 | Device for damping torsional vibrations | Albert Birk | 2002-10-22 |
| 6386981 | Component for connection to a crankshaft and method for its manufacture | Albert Birk, Wilfried Schwenk | 2002-05-14 |