Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5786108 | Electrochemical cell | Jurgen Heydecke, Eberhard Niggemann | 1998-07-28 |
| 5660944 | Multicell storage battery | Uwe Kohler, Eberhard Niggemann | 1997-08-26 |
| 4735874 | Process for producing a gas-tight, sealed alkaline battery | Karl Glotzel, Wolfgang Knabenbauer, Rudolf Tepel | 1988-04-05 |
| 4643959 | Process for producing a gas-tight, sealed alkaline battery | Karl Glotzl, Wolfgang Knabenbauer, Rudolf Tepel | 1987-02-17 |
| 4246326 | Multi-layer auxiliary electrode | — | 1981-01-20 |