Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5155459 | Electromagnetic relay | Hans-Dieter Schmid, Anton Frenznick, Dieter Mach, Volker Busch, Manfred Mitsch +1 more | 1992-10-13 |
| 4972166 | Electromagnetic relay | Manfred Mitsch, Theodor Sturm, Volker Busch, Anton Frenznick | 1990-11-20 |