Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5718416 | Lid and containment vessel for refining molten metal | David Charles Griffith, Jr. | 1998-02-17 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5718416 | Lid and containment vessel for refining molten metal | David Charles Griffith, Jr. | 1998-02-17 |