Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4626279 | Method for processing copper smelting materials and the like containing high percentages of arsenic and/or antimony | Arne Bjornberg, S. Ake Holmstrom | 1986-12-02 |
| 4529444 | Method for separating solutions | Karl G. E. Bjorling | 1985-07-16 |