Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5118305 | Terminal block for a cable terminal unit | Erich Hell, Hans-Dieter Otto, Horst-Helmut Tenham | 1992-06-02 |
| 4506353 | Measuring apparatus for the automatic measurement of speed, travelled distance and directional changes of a movable body | Wolfgang Thelen, Bernd Hesselbrock | 1985-03-19 |