Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D970923 | Curtain controller | Lei Zhang, Ningning Li | 2022-11-29 |
| D963576 | Motor for curtain controller | Lei Zhang, Ningning Li | 2022-09-13 |
| D961958 | Fitting for curtains | Lei Zhang, Ningning Li | 2022-08-30 |