Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5141990 | Photocurable acrylic composition, and U.V. curing with development of U.V. absorber | Amitava Gupta | 1992-08-25 |
| 4622174 | Transparent protective laser shield | Amitave Gupta | 1986-11-11 |