Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6891677 | Subwavelength optical microstructure light-redirecting films | Robert B. Nilsen, Patrick W. Mullen | 2005-05-10 |
| 6877866 | Multi-orientation retroreflective structure | Robert B. Nilsen, Gary J. Gauer | 2005-04-12 |