Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6770225 | Textured retroreflective prism structures and molds for forming same | Robert B. Nilsen, Nicholas John Phillips | 2004-08-03 |
| 6258443 | Textured retroreflective prism structures and molds for forming same | Robert B. Nilsen, Nicholas John Phillips | 2001-07-10 |
| 6222157 | Seamless holographic transfer using laser generated optical effect patterns | William Langille, Lee Batchelder, Eitan Zeira, Joseph S. Formosa | 2001-04-24 |
| 5897980 | Method of imparting contrast enhancement properties to diffusing, depixelating or projection screens | Nicholas John Phillips, Robin J. T. Clabburn | 1999-04-27 |