Patents by Inventor William J. Stanfield

William J. Stanfield 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).

  • MEASUREMENT OF SUNSCREEN PROTECTION USING SPIN COATED SUBSTRATES
    Publication number: 20150108360
    Abstract: Methods for spin coating plates for in vitro determination of sunscreen protection factors (SPF) are disclosed.
    Type: Application
    Filed: June 11, 2013
    Publication date: April 23, 2015
    Inventors: Joseph W. Stanfield, William J. Stanfield