Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4951853 | Refractory plate assembly for a sliding closure unit | Herbert Schafer | 1990-08-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4951853 | Refractory plate assembly for a sliding closure unit | Herbert Schafer | 1990-08-28 |