Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840676 | Insoluble pigments and preparation thereof | Howard W. Clark | 1989-06-20 |
TC
Tracy E. Chapman
Overall (1989): #47,711 of 140,708Top 35%
1
Patents 1989