Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6967053 | Durable, open-faced retroreflective prismatic construction | Gus Bernard, Robert B. Nilsen | 2005-11-22 |
| 6891677 | Subwavelength optical microstructure light-redirecting films | Robert B. Nilsen, Xiao-Jing Lu | 2005-05-10 |
| 6880946 | Grooved optical microstructure light collimating films | — | 2005-04-19 |