Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5175756 | Device for detecting nitrogenous, phosphoric, chloric and oxygenous substances | Hans Wolfgang Pongratz, Ingbert Bastian, Werner Triftshauser, Gottfried Kogel, Peter Sperr | 1992-12-29 |