Patents by Inventor Chao-Chi Cheng

Chao-Chi Cheng 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: D387501
    Type: Grant
    Filed: August 7, 1996
    Date of Patent: December 9, 1997
    Inventor: Chao-Chi Cheng