Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9646777 | Electrical switching device | Michael Schnitker | 2017-05-09 |
| 8933353 | Foot-operated switch | Michael Schnitker, Klaus Wehmeyer | 2015-01-13 |
| 7271358 | Switching hinge | Joachim Ulfik, Lothar Pedron | 2007-09-18 |
| 7238900 | Switching hinge | Joachim Ulfik, Lothar Pedron | 2007-07-03 |
| 6913247 | Quick-action tensioning device for cable control switches | Rolf Wecke, Meinhard Gerner, Joachim Ulfik | 2005-07-05 |