Patents by Inventor Yih-Chou Lin

Yih-Chou Lin 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: 4336623
    Abstract: A velvet-like covered sponge inner-layer bathing brush having a pair of opposed retractable handles each connected to the body of the brush by a set of strings, with retracting means located within said body.
    Type: Grant
    Filed: May 19, 1980
    Date of Patent: June 29, 1982
    Inventor: Yih-Chou Lin