Issued Patents 2022
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11353640 | Durable retroreflective elements with an ionic copolymer core | Matthew D. Wilding, Stephen L. Lieder | 2022-06-07 |
| 11286368 | Durable retroreflective elements with a blend of beads | Matthew D. Wilding, Stephen L. Lieder, Kenton D. Budd, Joseph D. Engebretson | 2022-03-29 |