Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867793 | Nacreous pigments | Klaus-Dieter Franz, Kalus Ambrosius, August Kanpp | 1989-09-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867793 | Nacreous pigments | Klaus-Dieter Franz, Kalus Ambrosius, August Kanpp | 1989-09-19 |