Issued Patents 1982
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4353878 | Tungsten recovery from tungsten ore concentrates by caustic digestion | Marie B. Terlizzi, Brice E. Martin | 1982-10-12 |
| 4353879 | Tungsten recovery from tungsten ore concentrates by caustic digestion | Brice E. Martin | 1982-10-12 |
| 4353880 | Tungsten recovery from tungsten ore concentrates by caustic digestion | — | 1982-10-12 |
| 4353881 | Tungsten recovery from tungsten ore concentrates by caustic digestion | Martin Vogt, Brice E. Martin | 1982-10-12 |