Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867794 | Process for preparing rutile-coated mica pigments | Klaus Ambrosius, August Knapp, Reiner Esselborn | 1989-09-19 |
HP
Helmut Plamper
Overall (All Time): #3,938,214 of 4,157,543Top 95%
1
Patents All Time