Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4571318 | Method of constructing refractory runner | Harry R. Dudro, Jr. | 1986-02-18 |
| 4478395 | Refractory runner | Harry R. Dudro, Jr. | 1984-10-23 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4571318 | Method of constructing refractory runner | Harry R. Dudro, Jr. | 1986-02-18 |
| 4478395 | Refractory runner | Harry R. Dudro, Jr. | 1984-10-23 |