Patents by Inventor Choongil Yu

Choongil Yu 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).

  • Sealing cap
    Patent number: D789201
    Type: Grant
    Filed: August 4, 2015
    Date of Patent: June 13, 2017
    Inventor: Choongil Yu
  • Cap for bottle
    Patent number: D811877
    Type: Grant
    Filed: January 7, 2016
    Date of Patent: March 6, 2018
    Inventor: Choongil Yu