Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11206471 | Earphone with pressure equilibrium means | Minkoo PARK, Halim Kim | 2021-12-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11206471 | Earphone with pressure equilibrium means | Minkoo PARK, Halim Kim | 2021-12-21 |