Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5688610 | Device for generating energy | Richard Spaeh, Edmund Wegmann, Joerg Heitzer, Reinhold Schamm | 1997-11-18 |
| 5532072 | Serially arranged fuel cells for large scale power generation | Richard Spaeh, Manfred Westphal, Erich Erdle | 1996-07-02 |