Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4822827 | Thermoplastic polyurethanes with high glass transition temperatures | Henry W. Bonk, Augustin T. Chen | 1989-04-18 |
BE
Benjamin S. Ehrlich
Overall (1989): #129,785 of 140,708Top 95%
1
Patents 1989