Patents by Inventor Chih Pong Chang

Chih Pong Chang 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).

  • Flowerpot
    Publication number: 20020104263
    Abstract: A recyclable flowerpot is made of a mixture by casting. The mixture is formed of natural fibers, a reinforced resin, and a chemical substance capable of producing gas to enhance the aeration of the flowerpot so made.
    Type: Application
    Filed: February 2, 2001
    Publication date: August 8, 2002
    Inventor: Chih Pong Chang