Patents by Inventor Roger H. Wardman

Roger H. Wardman 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).

  • Publication number: 20130167308
    Abstract: The invention provides a method of printing a textile comprising polyester, or a full-chrome, semi-chrome or vegetable-tanned leather, with a vat or a sulfur dye, comprising inkjet printing a solubilised vat dye or a solubilised sulfur dye onto the textile or the leather.
    Type: Application
    Filed: June 20, 2011
    Publication date: July 4, 2013
    Applicant: Heriot-Watt University
    Inventors: Roger H. Wardman, Robert M. Christie, Shah Mohammed Reduwan Billah