HC

Ho Ping Cheng

WC World Wide Stationery Mfg. Co.: 1 patents #2 of 5Top 40%
📍 Zhubei City, TW: #90 of 266 inventorsTop 35%
Overall (2017): #399,657 of 506,227Top 80%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9688091 Ring binder mechanism Chun Yuen To, Jin Biao Pi 2017-06-27