Patents by Inventor Doo Han Jang

Doo Han Jang 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).

  • Angle cutter
    Patent number: D712445
    Type: Grant
    Filed: January 8, 2014
    Date of Patent: September 2, 2014
    Assignee: Sehan Korea Co., Ltd
    Inventor: Doo Han Jang