Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7448242 | Method for securing a machine tool and opto-electronic sensor for carrying out such a method | Ingolf Braune | 2008-11-11 |
| 5486691 | Monitoring apparatus in machines | — | 1996-01-23 |
| 4291359 | Safety circuit for a potentially dangerous machine monitored by light | — | 1981-09-22 |