Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7614317 | Rack-and-pinion gear mechanism | Dirk Sickert, Frank Peter Engels | 2009-11-10 |
| 7210368 | Ultrasonic welded plastic retainer to secure yoke plug adjustment | Frank Peter Engels, Dirk Sickert | 2007-05-01 |