Patents by Inventor Pak H. Leung

Pak H. Leung 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: D286608
    Type: Grant
    Filed: September 17, 1984
    Date of Patent: November 11, 1986
    Inventor: Pak H. Leung
  • Patent number: D297092
    Type: Grant
    Filed: November 7, 1985
    Date of Patent: August 9, 1988
    Assignee: Cassano's Inc.
    Inventor: Pak H. Leung
  • Patent number: D297798
    Type: Grant
    Filed: November 7, 1985
    Date of Patent: September 27, 1988
    Inventor: Pak H. Leung