Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5112223 | Hollow load-bearing universal kiln car refractory modules | Warren R. Walle, Jesse Hamilton, Delfin C. Martinez | 1992-05-12 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5112223 | Hollow load-bearing universal kiln car refractory modules | Warren R. Walle, Jesse Hamilton, Delfin C. Martinez | 1992-05-12 |