Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4478647 | Process for the treatment of spent pickling paste | Siegfried Moller, Kurt Moesner | 1984-10-23 |
| 4400289 | Composition and process for pickling and removing rust from metal | Joachim Geldner, Horst Danzel | 1983-08-23 |