Patents Assigned to CHUEN FUNG SPECTACLES SERVICES MANUFACTORY LTD.
  • Eye glasses with springy hinge
    Patent number: D740879
    Type: Grant
    Filed: February 28, 2014
    Date of Patent: October 13, 2015
    Assignee: CHUEN FUNG SPECTACLES SERVICES MANUFACTORY LTD.
    Inventor: Hing Yuen Cheung