Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5222479 | Oxygen self-rescuer apparatus | Lothar Brauer, Klaus-Dieter Dahrendorf, Volker Hunnebeck, Klaus Haertle, Udo Mushold +4 more | 1993-06-29 |
| 4461291 | Respirator | Klaus Pampuch | 1984-07-24 |
| 4459981 | Breathing bag for closed cycle respirator | Stefan Zloczysti, Bernd Woicke, Klaus Haertle | 1984-07-17 |
| 4233971 | Respirator | Manfred Gronau, Klaus Pampuch | 1980-11-18 |