Issued Patents 2023
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11622890 | Adjustable hearing protection device | Arjen Teake De Jong | 2023-04-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11622890 | Adjustable hearing protection device | Arjen Teake De Jong | 2023-04-11 |