Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855212 | Photopolymerizable composition | Daniel F. Varnell | 1989-08-08 |
| 4686171 | Photopolymerizable films containing plasticizer silica combinations | Charles C. Fifield, Richard T. Mayes, Daniel F. Varnell | 1987-08-11 |