Patents by Inventor Jai K. Hwang

Jai K. Hwang 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).

  • Telephone mouthpiece cover
    Patent number: D253236
    Type: Grant
    Filed: October 12, 1977
    Date of Patent: October 23, 1979
    Inventor: Jai K. Hwang