Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D921992 | Ear muffs for shooting sports | William Hemeyer, Richard S. Slevin, Gwyn Lewis, Linyuan Xu | 2021-06-08 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D921992 | Ear muffs for shooting sports | William Hemeyer, Richard S. Slevin, Gwyn Lewis, Linyuan Xu | 2021-06-08 |