Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5011752 | Rechargeable alkaline manganese dioxide-zinc cell having improved cumulative capacity | Karl Kordesch, Klaus Tomantschger | 1991-04-30 |
| 4957827 | Rechargeable alkaline manganese cells with zinc anodes | Karl Kordesch, Klaus Tomantschger | 1990-09-18 |
| 4384029 | Rechargeable galvanic element | Karl Kordesch | 1983-05-17 |