Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8302314 | Method for producing internally or externally profiled rings and arrangement therefor | Andre Hardtmann, Mario Houska | 2012-11-06 |
| 8161620 | Annular composite workpieces and a cold-rolling method for producing said workpieces | Andrá Hardtmann, Mario Houska, Volker Thoms | 2012-04-24 |