Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4800055 | Process for making a granular product containing sodium triphosphate | Helmut Klee, Hans Haas, Werner Kowalski | 1989-01-24 |
TD
Theo Dahmen
Overall (1989): #50,895 of 140,708Top 40%
1
Patents 1989