Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6886505 | Cylinder block and die-casting method for producing same | Dietmar Laufenberg, Hans-Walter Metz | 2005-05-03 |
| 5658212 | Chain tensioner for automotive engine | Josef Meurer, Hans-Walter Metz, Gottfried Weber | 1997-08-19 |