Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6826433 | Failsafe data output system and automation system having the same | Johannes Birzer, Heiner Fuchs, Hartmut Von Krosigk, Hartmut Schuetz, Andreas Schenk +3 more | 2004-11-30 |
| 6800413 | Low-silanol silica | Mario Heinemann, Franz Grünwald, Helmut Maginot, Ute Volkel | 2004-10-05 |
| 6725419 | Automation system and method for operating an automation system | Andreas Schenk, Hartmut Schuetz | 2004-04-20 |