Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4366258 | Blast furnace with a refractory lining of concrete components | — | 1982-12-28 |
| 4218212 | Refractory front wall for industrial furnace | Herbert Schafer | 1980-08-19 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4366258 | Blast furnace with a refractory lining of concrete components | — | 1982-12-28 |
| 4218212 | Refractory front wall for industrial furnace | Herbert Schafer | 1980-08-19 |