Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6144286 | PTCR-resistor | Ralf Moos, Wolfgang Schaefer | 2000-11-07 |
| 5587251 | Ceramic gas supply components for fuel cells comprising zirconium oxide solid electrolyte | Richard Spaeh, Wolfgang Schaefer, Detlef Stolten | 1996-12-24 |