Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4822388 | Method of operating mineral wool cupolas and using spent electrolytic aluminum pot lining | — | 1989-04-18 |
| 4365984 | Mineral wool and process for producing same | — | 1982-12-28 |
| 4242142 | Method for treating granulated blast furnace slag | John W. Kreiger | 1980-12-30 |