Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5116424 | Process for cleaning vehicle parts, in particular glass panes of vehicles | Wilhelm Steinhart, Thomas Biewald, Gerwin Berens | 1992-05-26 |
| 5046211 | Device for cleaning vehicle parts, in particular glass panes of vehicles | Wilhelm Steinhart, Thomas Biewald, Gerwin Berens | 1991-09-10 |