Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8939331 | Sliding closure for a metallurgical container | Werner Keller, Angelo Zingre | 2015-01-27 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8939331 | Sliding closure for a metallurgical container | Werner Keller, Angelo Zingre | 2015-01-27 |