Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6025093 | Lithium ion cell | — | 2000-02-15 |
| 5389467 | Rechargeable galvanic lithium cell | Hans-Walter Praas | 1995-02-14 |
| 5169736 | Electrochemical secondary element | Rainer Bittihn, Detley Hoge | 1992-12-08 |
| 5162176 | Electrochemical secondary element | Detlev Hoge, Rainer Bittihn | 1992-11-10 |