Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4392389 | Sampling tube having closing caps | Wolfgang Eckstein, Horst Rabenecker | 1983-07-12 |
| 4289238 | Readiness receptacle for respirators | Ernst Warncke, Joachim Schlobohm | 1981-09-15 |