Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10948745 | Vision-protecting filter lens having organic polymer multilayer and neutral-density optical filter | Joy L. Manske, Britton G. Billingsley | 2021-03-16 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10948745 | Vision-protecting filter lens having organic polymer multilayer and neutral-density optical filter | Joy L. Manske, Britton G. Billingsley | 2021-03-16 |