Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4255257 | Process for the treatment of water | Günther Greiner, Wolfgang Grunbein | 1981-03-10 |
| 4183728 | Process for determining the ozone content of ozone-containing gas mixtures | Ortwin Leitzke, Josef Cremer | 1980-01-15 |