Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10316448 | Washing method with polymer solid particles | Chunfeng Lao, Guojun Ma | 2019-06-11 |
| 9587337 | Washing method with polymer solid particles | Chunfeng Lao, Guojun Ma | 2017-03-07 |
| 9487898 | Washing machine and washing machine thereof | Yimin Li, Shilong HAO, Chunfeng Lao | 2016-11-08 |
| 9476155 | Roller washing machine and the washing method thereof | Chunfeng Lao | 2016-10-25 |
| 9410278 | Washing machine and washing method | Chunfeng Lao | 2016-08-09 |
| 9404210 | Washing machine and washing method | Chunfeng Lao | 2016-08-02 |
| 9315766 | Solid particle for washing and washing method using the same | Chunfeng Lao | 2016-04-19 |