Patents by Inventor Attaphol Simahk

Attaphol Simahk 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).

  • Child's training toilet
    Patent number: D352993
    Type: Grant
    Filed: December 10, 1993
    Date of Patent: November 29, 1994
    Assignee: Sanitoy, Inc.
    Inventors: Richard A. Boucher, Kurt W. Nygren, Attaphol Simahk