Patents by Inventor Yun-Chin Yeh

Yun-Chin Yeh 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).

  • Knife sheath
    Patent number: D816431
    Type: Grant
    Filed: March 23, 2017
    Date of Patent: May 1, 2018
    Inventor: Yun-Chin Yeh
  • Knife sheath
    Patent number: D817724
    Type: Grant
    Filed: March 17, 2017
    Date of Patent: May 15, 2018
    Inventor: Yun-Chin Yeh