Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6340257 | Clean detergent providing device for cleaning tools | Chen He-Jin | 2002-01-22 |
| 5839147 | Mopping device with replaceable cleaning member | Chen Chin-Chu | 1998-11-24 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6340257 | Clean detergent providing device for cleaning tools | Chen He-Jin | 2002-01-22 |
| 5839147 | Mopping device with replaceable cleaning member | Chen Chin-Chu | 1998-11-24 |