Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4341642 | Process and an apparatus for continuously filtering liquids | Gunther Koepke, Josef Friedsam | 1982-07-27 |
| 4334884 | Process for the continuous preparation of photographic emulsions | Werner Wilke, Hans Gref | 1982-06-15 |