Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10271130 | Sound absorbing material and manufacturing method thereof and speaker using sound absorbing material | — | 2019-04-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10271130 | Sound absorbing material and manufacturing method thereof and speaker using sound absorbing material | — | 2019-04-23 |