Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6960732 | Electric switch insertable into a control/display screen | Edgar Spiegel, Martin Fickert | 2005-11-01 |
| 6727449 | Snap-in locking device for a multistage rotary switch | Edgar Spiegel, Martin Fickert | 2004-04-27 |