Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11083302 | Folding locking mechanism used for step stool | Baisong Yao | 2021-08-10 |
| 8111023 | Control system for different colors of light emitting diodes | Tai-Ping Sun, Chia-Hung Wang, Tzu-Lun Hung | 2012-02-07 |