Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1030704 | Elevating speaker for use in bathtub | Huei-Ching Chou Lu, Ta-Tsung Dan | 2024-06-11 |
| 11582541 | Elevating speaker device for use in bathtub | Huei-Ching Chou Lu, Ta-Tsung Dan | 2023-02-14 |