Patents by Inventor Tai-Cheng Tseng

Tai-Cheng Tseng 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).

  • Publication number: 20120138083
    Abstract: A dental floss device for cleaning teeth and neutralizing bad breath includes a handle; a dental floss holder integrally formed with the handle; and a dental floss held between two opposite ends of the dental floss holder, the dental floss including a protective layer formed thereon. Moreover, the dental floss device further includes either a curved flexible tongue scraping member on a portion of the dental floss holder, the tongue scraping member including a plurality of parallel ridges projecting outward or a flexible tongue scraping member on one surface, the tongue scraping member including two curved equidistant protrusions.
    Type: Application
    Filed: December 2, 2010
    Publication date: June 7, 2012
    Inventor: Tai-Cheng Tseng