Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D936312 | Vacuum cleaner | Xianwei Liu | 2021-11-16 |
| D925146 | Hand-held vacuum cleaner | Xianwei Liu | 2021-07-13 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D936312 | Vacuum cleaner | Xianwei Liu | 2021-11-16 |
| D925146 | Hand-held vacuum cleaner | Xianwei Liu | 2021-07-13 |