Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9250368 | Dual-sided daylight redirecting film | Charles A. Marttila, Bing Hao | 2016-02-02 |
| 9244206 | Light redirecting film laminate | Charles A. Marttila, Mark K. Nestegard | 2016-01-26 |