Issued Patents 2023
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11700478 | Headphone and multi-stage noise-cancellation earphone assembly | — | 2023-07-11 |
PN
Penggang Ning
Overall (2023): #297,126 of 537,848Top 60%
1
Patents 2023