Patents by Inventor Marc Pryor

Marc Pryor 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).

  • Patent number: 8088175
    Abstract: Improved hair coloring agents which do not adversely effect the health of the user and which are environmentally safe and which permanently colors only gray hair.
    Type: Grant
    Filed: February 22, 2011
    Date of Patent: January 3, 2012
    Inventors: Paula Pryor, Marc Pryor
  • Publication number: 20110203056
    Abstract: Improved hair coloring agents which do not adversely effect the health of the user and which are environmentally safe and which permanently colors only gray hair.
    Type: Application
    Filed: February 22, 2011
    Publication date: August 25, 2011
    Inventors: Paula Pryor, Marc Pryor