Patents by Inventor Dongyong Liang

Dongyong Liang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Automatic card reader
    Patent number: D861685
    Type: Grant
    Filed: January 15, 2018
    Date of Patent: October 1, 2019
    Assignee: PAX COMPUTER TECHNOLOGY (SHENZHEN) CO., LTD.
    Inventors: Yuzhuo Wang, Dongyong Liang
  • Self-service payment terminal
    Patent number: D917610
    Type: Grant
    Filed: September 20, 2019
    Date of Patent: April 27, 2021
    Assignee: PAX COMPUTER TECHNOLOGY (SHENZHEN) CO., LTD.
    Inventors: Sheng Chen, Dongyong Liang
  • Keyboard for oiling machine
    Patent number: D923696
    Type: Grant
    Filed: January 15, 2018
    Date of Patent: June 29, 2021
    Assignee: PAX COMPUTER TECHNOLOGY (SHENZHEN) CO., LTD.
    Inventors: Yuzhuo Wang, Dongyong Liang