Patents by Inventor Cheng-Chieh P'eng

Cheng-Chieh P'eng 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: D272523
    Type: Grant
    Filed: February 23, 1981
    Date of Patent: February 7, 1984
    Inventor: Cheng-Chieh P'eng