Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879338 | Poly(aryl ether ketone) compositions | Frank W. Mercer, Tai C. Cheng | 1989-11-07 |
| 4871785 | Clouding-resistant contact lens compositions | — | 1989-10-03 |
| 4859715 | Microporous poly (arylether ketone) article | Robert S. Dubrow | 1989-08-22 |