Patents by Inventor Pak-Hung Yip

Pak-Hung Yip 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: D263587
    Type: Grant
    Filed: June 9, 1980
    Date of Patent: March 30, 1982
    Assignee: Vita Electronics Corporation Limited
    Inventor: Pak-Hung Yip
  • Patent number: D266422
    Type: Grant
    Filed: September 7, 1979
    Date of Patent: October 5, 1982
    Assignee: Vita Electronics Corp., Ltd.
    Inventor: Pak-Hung Yip