Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11016229 | Optical filter | John A. Wheatley, Gilles J. Benoit, Todd A. Ballen, Guanglei Du, Edward J. Kivel +3 more | 2021-05-25 |
| 10948734 | Light control film with varied viewing angle | Andrew J. Ouderkirk, Michael J. Sykora, Robert R. Kieschke, Olester Benson, Jr., Gary E. Gaides +3 more | 2021-03-16 |
| 10884166 | Retroreflective sheeting including cube corner elements | — | 2021-01-05 |