Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869994 | Photoresist compositions based on hydroxystyrene copolymers | Balaram Gupta | 1989-09-26 |
| 4854676 | Bistable optical devices | Anthony F. Garito | 1989-08-08 |
| 4824758 | Photoresist compositions based on acetoxystyrene copolymers | Balaram Gupta | 1989-04-25 |