Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D909760 | Head for children's electric toothbrush | Baishu Zeng | 2021-02-09 |
| 8522388 | Self-wringing mop | Weilai Jiang, Feng Zeng | 2013-09-03 |
| D620215 | Cleaning tool | Feng Zeng, Liang Cheng | 2010-07-20 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D909760 | Head for children's electric toothbrush | Baishu Zeng | 2021-02-09 |
| 8522388 | Self-wringing mop | Weilai Jiang, Feng Zeng | 2013-09-03 |
| D620215 | Cleaning tool | Feng Zeng, Liang Cheng | 2010-07-20 |