Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4822827 | Thermoplastic polyurethanes with high glass transition temperatures | Augustin T. Chen, Benjamin S. Ehrlich | 1989-04-18 |
HB
Henry W. Bonk
Overall (1989): #107,226 of 140,708Top 80%
1
Patents 1989