Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D368139 | Abacus massager | Kwong T. Tsang | 1996-03-19 |
| D364687 | Massager | Kwong T. Tsang | 1995-11-28 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D368139 | Abacus massager | Kwong T. Tsang | 1996-03-19 |
| D364687 | Massager | Kwong T. Tsang | 1995-11-28 |