Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4365731 | Refractory structures | Hans R. Fehling | 1982-12-28 |
| 4182466 | Wear part for sliding gates and process for the production of such wear parts and sliding gate with such wear parts | Hans R. Fehling | 1980-01-08 |