Patents by Inventor Frederick T. Howard

Frederick T. Howard 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).

  • Self cleaning toilet
    Patent number: 5596774
    Abstract: A toilet bowl has a self-cleaning hollow rim with openings in the top surface of the rim whereby urine and other residues accumulating thereon are rinsed during flushing of the toilet. The water drains into a trough along the periphery of the bowl and into the toilet bowl.
    Type: Grant
    Filed: June 15, 1995
    Date of Patent: January 28, 1997
    Inventor: Frederick T. Howard