Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4557818 | Gas-evolving metal electrode | Hans Roos, Dieter Schlaefer, Knut Bittler, Heinz Kilthau | 1985-12-10 |
| 4422921 | Bipolar electrodes with graphite as the carrier and their production | Hans Roos, Knut Bittler, Dieter Schlaefer | 1983-12-27 |
| 4411761 | Spinel-containing electrode and process for its production | Hans Roos, Knut Bittler, Volker Kiener, Gerd Wunsch | 1983-10-25 |