Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6630970 | Polarizers for use with liquid crystal displays | Giorgio Trapani, William K. Smyth, Philip J. Ralli, James N. Gordon, John J. Cael +3 more | 2003-10-07 |
| 6122079 | Chromatically-adjusted holographically illuminated image-providing display element | Philip J. Ralli, Michael M. Wenyon | 2000-09-19 |