Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11137167 | Devices to convert a ceiling/wall register to a motorized damper | Gangyi Zhou | 2021-10-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11137167 | Devices to convert a ceiling/wall register to a motorized damper | Gangyi Zhou | 2021-10-05 |