Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5611465 | Automatic toilet bowl cleaner | Kuo-Chou Lee, Tsang-Chang Hwang | 1997-03-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5611465 | Automatic toilet bowl cleaner | Kuo-Chou Lee, Tsang-Chang Hwang | 1997-03-18 |