Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5346783 | Manganese dioxide cathode for a rechargeable alkaline cell, and cell containing the same | Klaus Tomantschger | 1994-09-13 |
| 5336571 | Manganese dioxide cathode for a rechargeable alkaline cell, and cell containing the same | Klaus Tomantschger | 1994-08-09 |
| 5300371 | Manganese dioxide positive electrode for rechargeable cells, and cells containing the same | Klaus Tomantschger | 1994-04-05 |
| 5204195 | Manganese dioxide cathode for a rechargeable alkaline cell, and cell containing the same | Klaus Tomantschger | 1993-04-20 |
| 5108852 | Manganese dioxide cathode for a rechargeable alkaline cell, and cell containing the same | Klaus Tomantschger | 1992-04-28 |