Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11199016 | Swimming pool cleaning vehicle with adjustable rollers to control water flow velocity and method therefor | Wing-kin Hui, Andrew Matthew Hui | 2021-12-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11199016 | Swimming pool cleaning vehicle with adjustable rollers to control water flow velocity and method therefor | Wing-kin Hui, Andrew Matthew Hui | 2021-12-14 |