Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5901910 | Metal recovery from salt cake and other compositions | Philip Grosso, Robert L. Hargis | 1999-05-11 |
| 4927459 | Treatment of aluminum reduction cell linings combined with use in aluminum scrap reclamation | Owen M. Gardner | 1990-05-22 |