Patents by Inventor Drew E. Levins

Drew E. Levins 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).

  • Toilet training device
    Patent number: 4205404
    Abstract: A toilet training device for children is disclosed comprising a portable stairway and a toilet seat mounted to an upper portion of the stairway for pivotable movement about a pivot axis onto the top of an auxiliary toilet bowl. Means are provided for adjusting the height of the pivot axis whereby the seat may be placed substantially level atop auxiliary toilet bowls of diverse heights.
    Type: Grant
    Filed: November 20, 1978
    Date of Patent: June 3, 1980
    Inventor: Drew E. Levins