Patents by Inventor Choon M. Choi

Choon M. Choi 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).

  • Bib and tray
    Patent number: 5778450
    Abstract: A bib with a closure is attached to a lap tray positioned on a users lap.
    Type: Grant
    Filed: December 5, 1996
    Date of Patent: July 14, 1998
    Inventors: Christian A. Hagestad, Choon M. Choi