Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11761048 | Method for treating and phosphatizing metal board without using acid | Tai-An Liao, Ping-Yuan Liao, TSAI-MING KUO | 2023-09-19 |
| D986746 | Air column packing bag | Ping-Yuan Liao, Ba-Suot Nguyen | 2023-05-23 |