Patents by Inventor Jung Rok Yoon

Jung Rok Yoon 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).

  • Frame for a facemask
    Patent number: D941988
    Type: Grant
    Filed: June 4, 2020
    Date of Patent: January 25, 2022
    Inventor: Jung Rok Yoon
  • Strap and facemask assembly
    Patent number: D952832
    Type: Grant
    Filed: July 1, 2020
    Date of Patent: May 24, 2022
    Inventor: Jung Rok Yoon
  • Strap assembly for a facemask
    Patent number: D956954
    Type: Grant
    Filed: July 10, 2020
    Date of Patent: July 5, 2022
    Inventor: Jung Rok Yoon
  • Filter for a facemask
    Patent number: D961775
    Type: Grant
    Filed: July 8, 2020
    Date of Patent: August 23, 2022
    Inventor: Jung Rok Yoon
  • Facemask
    Patent number: D963838
    Type: Grant
    Filed: June 12, 2020
    Date of Patent: September 13, 2022
    Inventor: Jung Rok Yoon