Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4751355 | Pushbutton switch with combined restoring-tactile feel spring | Klaus B. Wisskirchen, Klaus Hinze, Wolfgang Schulze, Alfred Heeb, Dieter Michalski | 1988-06-14 |
| 4514609 | Pushbutton switch having leaf-shaped contact spring | Klaus Hinze, Manfred K. O. Huth, Klaus B. Wisskirchen | 1985-04-30 |