Inventor

MU GUO QIANG

US3 patents

Patents

3 patents

US8925817B2Jan 6, 2015

Card reader and method of use thereof

ID TECH5 citations79

US9189664B2Nov 17, 2015

Card reader and method of use thereof

ID TECH1 citations57

US10248819B2Apr 2, 2019

Card reader and method of use thereof

ID TECH0 citations47