Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4970372 | Furnace for the thermal treatment of iron and steel components | Wolfgang Peter | 1990-11-13 |
| 4610435 | Industrial furnace for the thermal treatment of metal workpieces | Hans Pfau | 1986-09-09 |