Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5626988 | Sealed rechargeable cells containing mercury-free zinc anodes, and a method of manufacture | R. James Book, Klaus Tomantschger | 1997-05-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5626988 | Sealed rechargeable cells containing mercury-free zinc anodes, and a method of manufacture | R. James Book, Klaus Tomantschger | 1997-05-06 |