Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5626818 | Process for inhibiting corrosion | Oskar K. Wack | 1997-05-06 |
| 5534742 | Lamp/reflector unit | Hans-Dieter Krapp, Hubert Frings | 1996-07-09 |
| 5486314 | Cleaning agent containing glycol ethers | Oskar K. Wack | 1996-01-23 |
| 5401414 | Process for recovering a fluid dissolved in a rinsing bath | Oskar K. Wack | 1995-03-28 |