Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9900693 | XY-type microphone unit and sound recording apparatus | — | 2018-02-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9900693 | XY-type microphone unit and sound recording apparatus | — | 2018-02-20 |