Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4364807 | Method of electrolytically recovering zinc | Adolf Von Ropenack, Ulrich Heubner | 1982-12-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4364807 | Method of electrolytically recovering zinc | Adolf Von Ropenack, Ulrich Heubner | 1982-12-21 |