Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847316 | Aqueous dispersion blends of polyesters and polyurethane materials and printing inks therefrom | Martin Frederick Schick, William C. Hickman, Rebecca Reid Stockl | 1989-07-11 |