PC

Pao-Chung Chang

Overall (2021): #124,825 of 548,734Top 25%
2
Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11208224 Bag clamping device for material bag filling system 2021-12-28
11167888 Material bag 2021-11-09