Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4474681 | Production of aqueous suspensions of finely divided titanium dioxide | Horst Belde, Werner Hoerauf | 1984-10-02 |
HL
Hans Langenfelder
Overall (All Time): #4,041,914 of 4,157,543Top 100%
1
Patents All Time