Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5811057 | Refractory lining system for high wear area of high temperature reaction vessel | Klaus Ulrich | 1998-09-22 |
| 5741349 | Refractory lining system for high wear area of high temperature reaction vessel | Klaus Ulrich | 1998-04-21 |