Patents by Inventor Chih C. Liu

Chih C. Liu 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).

  • Baby bottle cleaning device including dual brushes
    Patent number: 5621941
    Abstract: A baby bottle brush which near a bottom part of the shaft the main brush is bent to generally conform to the shape of the interior of a baby bottle. A secondary brush or a rod is also affixed to the handle of the brush. The secondary brush or rod holds the main brush against the surface of the bottle. The secondary brush and the rod may be used together. The handle is angled to facilitate a circular cleaning motion. A distal end of the handle includes a hook. The brush may be used on bottles other than baby bottles.
    Type: Grant
    Filed: November 28, 1995
    Date of Patent: April 22, 1997
    Inventor: Chih C. Liu