Patents by Inventor Greg Helyer

Greg Helyer 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).

  • Photovoltaic devices including a metal stack
    Publication number: 20080128020
    Abstract: A photovoltaic device can include metal layer in contact with a semiconductor layer.
    Type: Application
    Filed: November 14, 2007
    Publication date: June 5, 2008
    Applicant: First Solar, Inc.
    Inventors: Syed Zafar, Greg Helyer, Nelson Christopher DeVoe