Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7683099 | Method for carrying out heterogeneous catalytic exothermic gas phase reactions | — | 2010-03-23 |
| 4197038 | Face milling cutter head with rod-shaped cutters | Hans Leppin, Klaus Peuckert | 1980-04-08 |