Patents by Inventor Liew K. Keong

Liew K. Keong 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: D303667
    Type: Grant
    Filed: October 15, 1986
    Date of Patent: September 26, 1989
    Assignee: Motorola, Inc.
    Inventors: William J. Scheid, Khoo B. Lay, Liew K. Keong