Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4617280 | Refractory lining and process for its manufacture | Paul Lennart Ivarsson, Ingvar G. A. Blom | 1986-10-14 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4617280 | Refractory lining and process for its manufacture | Paul Lennart Ivarsson, Ingvar G. A. Blom | 1986-10-14 |