Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5206700 | Methods and apparatus for retroreflective surface inspection and distortion measurement | Donald A. Clarke, Timothy R. Pryor | 1993-04-27 |
| 5168322 | Surface inspection using retro-reflective light field | Donald A. Clarke, Timothy R. Pryor | 1992-12-01 |
| 5074661 | Methods and apparatus for retroreflective surface inspection and distortion measurement | Donald A. Clarke, Timothy R. Pryor | 1991-12-24 |
| 4920385 | Panel surface flaw inspection | Donald A. Clarke, Timothy R. Pryor | 1990-04-24 |
| 4907888 | Non destructive testing and other applications using retroreflective illumination | Donald A. Clarke, Timothy R. Pryor | 1990-03-13 |
| 4863268 | Diffractosight improvements | Donald A. Clarke, Timothy R. Pryor | 1989-09-05 |
| 4629319 | Panel surface flaw inspection | Donald A. Clarke, Timothy R. Pryor | 1986-12-16 |