Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4217209 | Process for removing heavy metal sulphides from aqueous systems | Guido Steffan, Peter A. Buchel, deceased, Wolfgang Harms | 1980-08-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4217209 | Process for removing heavy metal sulphides from aqueous systems | Guido Steffan, Peter A. Buchel, deceased, Wolfgang Harms | 1980-08-12 |