Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D917021 | Sprayer for a foot spa tub | Cheng-Hsiung Chang | 2021-04-20 |
| D909111 | Part of pedicure foot spa massage chair | Cheng-Hsiung Chang | 2021-02-02 |
| D907223 | Pedicure spa tub | Cheng-Hsiung Chang | 2021-01-05 |