PL

Ping-Yuan Liao

Overall (2023): #118,388 of 537,848Top 25%
2
Patents 2023

Issued Patents 2023

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11761048 Method for treating and phosphatizing metal board without using acid Tai-An Liao, Kao-Hsiung Liao, TSAI-MING KUO 2023-09-19
D986746 Air column packing bag Kao-Hsiung Liao, Ba-Suot Nguyen 2023-05-23