Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6534731 | Safety edge switch | Karlheinz Beckhausen | 2003-03-18 |
| 6486424 | Electrical contact mat with device for closed-circuit protection | Karlheinz Beckhausen | 2002-11-26 |
| 6429375 | Safety contact rail or safety contact element | Karlheinz Beckhausen | 2002-08-06 |