Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5340666 | Rechargeable alkaline manganese cell having improved capacity and improved energy density | Klaus Tomantschger, Ronald J. Book | 1994-08-23 | $1,745,000 |
| 5069988 | Metal and metal oxide catalyzed electrodes for electrochemical cells, and methods of making same | Klaus Tomantschger, Karl Kordesch | 1991-12-03 |