Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7108737 | Method for the purification of corrosive gases | Wolfgang Himmler, Werner Buttner, Harald Fritsch, Hans-Jurgen Schmidt, Martin Hostalek | 2006-09-19 |
| 6939527 | Method for the purification of hydrogen peroxide solutions | Dietmar Oeter, Claus Dusemund, Klaus Freissler, Martin Hostalek | 2005-09-06 |
| 4652972 | Front construction unit for electrical monitoring panel | — | 1987-03-24 |