Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11033931 | Wood substrate including an abrasion resistant coating | Dong Tian, Burton L. Wilson | 2021-06-15 |
| 10951970 | Open audio device | Ryan C. Struzik, Michael Stark, David J. Fustino, Allen T. Graff | 2021-03-16 |
| 10924838 | Audio device | Allen T. Graff | 2021-02-16 |