Patents by Inventor James Steven Keller

James Steven Keller 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).

  • Clean-out
    Publication number: 20020170246
    Abstract: My “Clean-Out” consists of one length of solid 4-inch PVC pipe, one 4-inch PVC T-fitting and one 4-inch solid PVC cap. The length of the solid 4-inch PVC pipe is determined by the depth of the drainage system of the building.
    Type: Application
    Filed: May 16, 2001
    Publication date: November 21, 2002
    Inventor: James Steven Keller