Patents by Inventor Sung Hong Yoon

Sung Hong 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).

  • Stick candy
    Patent number: D451259
    Type: Grant
    Filed: February 27, 2001
    Date of Patent: December 4, 2001
    Inventor: Sung Hong Yoon
  • Stick candy
    Patent number: D429054
    Type: Grant
    Filed: November 2, 1999
    Date of Patent: August 8, 2000
    Assignee: Jeong Woo Confectionery Co., Ltd
    Inventor: Sung Hong Yoon
  • Combined candy and case with stamp
    Patent number: D435441
    Type: Grant
    Filed: April 12, 1999
    Date of Patent: December 26, 2000
    Assignee: Jeong Woo Confectionery Co., Ltd.
    Inventor: Sung Hong Yoon