Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8988844 | Drive circuit for an electromagnetic relay | Carsten Braun, Ronald Stempel | 2015-03-24 |
| 5404408 | Miniature hearing aid to be worn on the head, and a method for the manufacture thereof | Joseph Sauer | 1995-04-04 |