Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4263176 | Color-stable brighteners for detergents | Thomas Martini, Helmut Mengler, Gunter Rosch | 1981-04-21 |
GH
Gunter Hohlfeld
Overall (All Time): #4,088,081 of 4,157,543Top 100%
1
Patents All Time