Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868260 | Hard contact lens material consisting of alkyl fumarate and silicon-alkyl fumarate copolymers | — | 1989-09-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868260 | Hard contact lens material consisting of alkyl fumarate and silicon-alkyl fumarate copolymers | — | 1989-09-19 |