Patents by Inventor Ding-Chou Wang

Ding-Chou Wang 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).

  • Cleaning brush
    Publication number: 20050183225
    Abstract: A cleaning brush includes a handle, and a head part secured to one end of the handle; the head part has many bristles fitted thereon, and includes several elastic sections spaced along it; thus, in using the cleaning brush to clean an object, the cleaning brush will be bent, and angularly displaced at the head part according to the shape of the object, and in turns, all portions of the object can be cleaned.
    Type: Application
    Filed: February 24, 2004
    Publication date: August 25, 2005
    Inventor: Ding-Chou Wang