Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4405842 | Stepping mechanism for an encoding rotary switch | — | 1983-09-20 |
| 4383453 | Stepping mechanism | Hansrudolf Lehmann | 1983-05-17 |
| 4257283 | Stepping mechanism for a multi-position switch | Heinrich Haller | 1981-03-24 |