Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6396007 | Installation switch for building installation | — | 2002-05-28 |
| 6365858 | Device for separating metal parts | Volker Hain | 2002-04-02 |
| 6071015 | Electrical plug device including optical plug and socket connectors, terminal clamps connecting to electric mains, and an electronic bus coupler | Karl-Ulrich Erbse, deceased, Klaus Gringmann, Helmut Schmidt, Manfred Stefanski | 2000-06-06 |