Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5272019 | Electrochemical storage cell | Paul G. Kaehler, Stefan Mennicke | 1993-12-21 |
| 5158841 | High-temperature storage battery | Stefan Mennicke, Walter Andres, Gismar Eck, Bernhard Kowalczyk | 1992-10-27 |
| 5143803 | High-temperature storage battery | Walter Andres, Stefan Mennicke | 1992-09-01 |
| 4915851 | Clarifying filter-centrifuge and method of filtering suspensions | — | 1990-04-10 |
| 4808308 | Clarifying filter-centrifuge and method of filtering suspensions | — | 1989-02-28 |