Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9234992 | Optically variable device with diffraction-based micro-optics, method of creating the same, and article employing the same | Dean Hill, Robert E. Renton, Paul Dunn | 2016-01-12 |
| 8488242 | Optically variable device with diffraction-based micro-optics, method of creating the same, and article employing the same | Dean Hill, Robert E. Renton, Paul Dunn | 2013-07-16 |
| 6266187 | Substrate producing three-dimensional images | Paul Dunn | 2001-07-24 |
| 6226127 | Optical images | Paul Dunn | 2001-05-01 |