Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5688470 | Apparatus for recovery of non-ferrous metals from scrap and dross | — | 1997-11-18 |
| 5599379 | Apparatus and method for recovering non-ferrous metals from hot dross | William Zebedee | 1997-02-04 |