Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7408357 | Device for detecting contact wear in switching appliances | Michael Hahn | 2008-08-05 |
| 6756052 | Device and method for increasing the transdermal permeation of medicaments | Andreas Koch, Christian Von Falkenhausen, Rudolf Matusch | 2004-06-29 |
| 4720613 | Contact arrangement for low-voltage circuit breakers with main contacts and burn-off contacts | — | 1988-01-19 |
| 4709127 | Contact arrangement with spacers separating contact levers from each other | — | 1987-11-24 |