Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4976885 | Liquid preparations for cleaning hard surfaces | Klaus-Dieter Wisotzki, Klaus Schumann, Brigitte Hase | 1990-12-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4976885 | Liquid preparations for cleaning hard surfaces | Klaus-Dieter Wisotzki, Klaus Schumann, Brigitte Hase | 1990-12-11 |