Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7413454 | Apparatus for signal transmission between terminals | Helmut Rebhan | 2008-08-19 |
| 6257909 | Rotary joint with flat conductor and circular conductor | Frank Schroer | 2001-07-10 |