Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11448012 | Window shade and spring drive system thereof | Chin-Tien Huang | 2022-09-20 |
| 11261655 | Window shade and spring drive system thereof | Chin-Tien Huang | 2022-03-01 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11448012 | Window shade and spring drive system thereof | Chin-Tien Huang | 2022-09-20 |
| 11261655 | Window shade and spring drive system thereof | Chin-Tien Huang | 2022-03-01 |