Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8100696 | Self-rescuer training device | Miriam Dittrich | 2012-01-24 |
| 6202472 | Gas sensor with flashback barrier | Hans-Jurgen Bahs | 2001-03-20 |
| 5194224 | Moisture indicator for a respiratory protection device | Claus-Bernd Plotz, Gunther Kolbe | 1993-03-16 |
| 4997803 | CO.sub.2 adsorbent mass | Carl-Ernst van der Smissen, Kai vom Hofe, Herbert Rohl | 1991-03-05 |