Issued Patents 2017
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9851484 | Effective media retarder films with spatially selective birefringence reduction | William W. Merrill, Douglas S. Dunn | 2017-12-26 |
| 9562998 | Inconspicuous optical tags and methods therefor | William F. Edmonds, Nathaniel K. Naismith, Martin B. Wolk, Michael Benton Free, William W. Merrill +3 more | 2017-02-07 |