Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5049508 | Apparatus and process for total sulfur determination | Willi Hilscher, Dietrich Schmicker, Eberhard Riedel, Peter Kunik | 1991-09-17 |
| 5024823 | Copper sulfate absorption mass to remove AsH.sub.3, PH.sub.3, B.sub.2 H.sub . .sub.4 and SiH.sub.4 | — | 1991-06-18 |
| 4220183 | Steel cylinder for the storage of gas mixtures | — | 1980-09-02 |