Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7987530 | Flushing sitz bath basin | Kwok Wai Chiu, Timothy Chiu | 2011-08-02 |
| 4700950 | Process for crushing cans | — | 1987-10-20 |
| 4597327 | Impact crushing device | — | 1986-07-01 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7987530 | Flushing sitz bath basin | Kwok Wai Chiu, Timothy Chiu | 2011-08-02 |
| 4700950 | Process for crushing cans | — | 1987-10-20 |
| 4597327 | Impact crushing device | — | 1986-07-01 |