PL

Pao-Pao Liu

Overall (2016): #269,683 of 481,213Top 60%
1
Patents 2016

Issued Patents 2016

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9333980 Assistance device for climbing stairs Li-Heng Chang, Yu-Zen Tseng, Chin-Chia Liu 2016-05-10