Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4211754 | Process for the production of a tantalum and niobium bearing concentrate from a tantalum and niobium bearing ferro-alloy | Michel C. Van Hecke | 1980-07-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4211754 | Process for the production of a tantalum and niobium bearing concentrate from a tantalum and niobium bearing ferro-alloy | Michel C. Van Hecke | 1980-07-08 |