Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8579492 | Optical film having microreplicated structures and methods | Kenneth A. Epstein, Alan B. Campbell | 2013-11-12 |
| 7695180 | Illumination assembly and system | Craig R. Schardt, D. Scott Thompson, Kenneth A. Epstein, Brian W. Ostlie, Kenneth L. Smith | 2010-04-13 |
| 6626545 | Light directing construction having corrosion resistant feature | Timothy J. Gardner | 2003-09-30 |
| 6590711 | Light directing construction having corrosion resistant feature | Timothy J. Gardner, Lavern L. Linse, Leo A. Meyer, James A. Stevenson | 2003-07-08 |