Patents by Inventor William To Yung Pang

William To Yung Pang 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).

  • Combined cassette recorder and radio
    Patent number: D320016
    Type: Grant
    Filed: April 17, 1989
    Date of Patent: September 17, 1991
    Assignee: Saple International Ltd.
    Inventor: William To Yung Pang
  • Clock radio
    Patent number: D321688
    Type: Grant
    Filed: August 14, 1989
    Date of Patent: November 19, 1991
    Assignee: Saple International Ltd.
    Inventor: William To Yung Pang