Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5043362 | Photopolymerizable compositions | John A. Sperry | 1991-08-27 |
| 4824765 | Water-soluble photoinitiators | John A. Sperry | 1989-04-25 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5043362 | Photopolymerizable compositions | John A. Sperry | 1991-08-27 |
| 4824765 | Water-soluble photoinitiators | John A. Sperry | 1989-04-25 |