Patents by Inventor So-Mal Huang

So-Mal Huang 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).

  • Water-stop plug for adjusting water-draining of stool
    Publication number: 20030213054
    Abstract: A water-stop plug for adjusting water-draining of a stool comprises a cover, a water-stop washer, a small washer and a plug. The water supply of the water-stop plug for adjusting water-draining of a stool is adjustable according to the requirement of the user so as to save supplied water. By adjusting an air hole on a plug, the supplied water is adjustable.
    Type: Application
    Filed: May 20, 2002
    Publication date: November 20, 2003
    Inventor: So-Mal Huang