Patents by Inventor Gilbert K. Lung

Gilbert K. Lung 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 headphone and radio
    Patent number: D254910
    Type: Grant
    Filed: November 4, 1977
    Date of Patent: May 6, 1980
    Assignee: Sonway Manufacturers Ltd.
    Inventor: Gilbert K. Lung
  • Combined headphone and radio
    Patent number: D255569
    Type: Grant
    Filed: December 21, 1977
    Date of Patent: June 24, 1980
    Assignee: Sonway Manufacturers Ltd.
    Inventor: Gilbert K. Lung