Patents by Inventor Bradley D. Helfman

Bradley D. Helfman 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).

  • Skin cleanser with photosensitive dye
    Patent number: 6267976
    Abstract: A cleanser product which will not stain surfaces is disclosed. Specifically, the present invention provides a cleanser comprising a photosensitive dye. The present invention also provides a method for preventing the of staining of surfaces by cleanser products.
    Type: Grant
    Filed: April 14, 2000
    Date of Patent: July 31, 2001
    Assignee: Gojo Industries, Inc.
    Inventors: Ronald A. Barnhart, Bradley D. Helfman