Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4364807 | Method of electrolytically recovering zinc | Adolf Von Ropenack, Gunter Stock | 1982-12-21 |
| 4310353 | Low-antimony lead alloy | Eberhard Nann | 1982-01-12 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4364807 | Method of electrolytically recovering zinc | Adolf Von Ropenack, Gunter Stock | 1982-12-21 |
| 4310353 | Low-antimony lead alloy | Eberhard Nann | 1982-01-12 |