Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D855034 | Pair of headphones | Chang Tat Lee | 2019-07-30 |
| D813194 | Pair of headphones | Chang Tat Lee | 2018-03-20 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D855034 | Pair of headphones | Chang Tat Lee | 2019-07-30 |
| D813194 | Pair of headphones | Chang Tat Lee | 2018-03-20 |