Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5503682 | Process for degreasing and cleaning metal surfaces | Thomas Mueller-Kirschbaum, Wolfgang Hater, Thomas Vienenkoetter | 1996-04-02 |
| 4746213 | Process and device for testing liquid medicaments | — | 1988-05-24 |