Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4686798 | Optical blank carrier for lathing lenses and process therefor | Dean M. Petty | 1987-08-18 |
| 4254707 | Screen printing apparatus with screen peel-off from work | Daryl G. Lambert, Lee Ester | 1981-03-10 |