Patents by Inventor Yoo-Hwan Choe

Yoo-Hwan Choe 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).

  • Patent number: D347809
    Type: Grant
    Filed: October 2, 1992
    Date of Patent: June 14, 1994
    Inventors: Young-Hwan Choi, Yoo-Hwan Choe