Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4592067 | Metallurgical vessel, in particular an electric arc furnace | Gerhard Fuchs, Joachim Ehle | 1986-05-27 |
| 4443113 | Electromechanical trigger for alarm clocks and other timer-operated signal emitters | Wolfgang Fehrenbacher, Erich Scheer | 1984-04-17 |
| 4415272 | Electrical timepiece with hour-hand adjustment | — | 1983-11-15 |