Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6378847 | Monolithic ceramic gas diffuser for injecting gas into a molten metal bath | Donald G. Rexford, David Larsen | 2002-04-30 |
| 6322729 | Method of forming monolithic ceramic gas diffuser | Donald G. Rexford, David Larsen | 2001-11-27 |
| 6199836 | Monolithic ceramic gas diffuser for injecting gas into a molten metal bath | Donald G. Rexford, David Larsen | 2001-03-13 |