Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5689894 | Cooling system for annealing material continuously moving on a transport means | — | 1997-11-25 |
| 5616297 | Annealing base for hood-type annealing furnaces | Heribert Lochner | 1997-04-01 |