Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6215380 | Electromagnetic relay | Hans Schrumpf | 2001-04-10 |
| 5892423 | Electric switching device and method of making a magnetic angle piece for same | Lothar Haas, Joachim Naser, Hans Schrumpf | 1999-04-06 |