Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10462559 | Speaker box | YuGuo Zhang | 2019-10-29 |
| 10264335 | Speaker box and method for assembling same | YuGuo Zhang | 2019-04-16 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10462559 | Speaker box | YuGuo Zhang | 2019-10-29 |
| 10264335 | Speaker box and method for assembling same | YuGuo Zhang | 2019-04-16 |