Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4263176 | Color-stable brighteners for detergents | Thomas Martini, Gunter Rosch, Gunter Hohlfeld | 1981-04-21 |
HM
Helmut Mengler
Overall (All Time): #4,088,080 of 4,157,543Top 100%
1
Patents All Time