Patents by Inventor Dennis Colwell

Dennis Colwell 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).

  • Personal cleaning composition
    Patent number: 5496555
    Abstract: A cleansing composition useful for the skin or hair comprising a surfactant, a green colorant, a dicarbanalide, and a color stabilzing system which is comprised of a sorbitan like compound and a polyethylene glycol.
    Type: Grant
    Filed: July 21, 1994
    Date of Patent: March 5, 1996
    Assignee: Colgate-Palmolive Company
    Inventor: Dennis Colwell