Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11503970 | Vacuum cleaner | Jian Yun Pi | 2022-11-22 |
| 11375869 | Steam mop with viewable tank | Joseph P. Perry, Adam Luedke, Jian Yun Pi | 2022-07-05 |
| 11311166 | Surface cleaning apparatus | Jian Yun Pi | 2022-04-26 |