Patents by Inventor Chiou-Shing Chen

Chiou-Shing Chen 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).

  • Calculator
    Patent number: D329451
    Type: Grant
    Filed: October 19, 1990
    Date of Patent: September 15, 1992
    Assignee: Alcraft, Inc.
    Inventors: Michael Chen, Chiou-Shing Chen