Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9936584 | Printed circuit board, waterproof microphone and production process thereof | — | 2018-04-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9936584 | Printed circuit board, waterproof microphone and production process thereof | — | 2018-04-03 |