Patents by Inventor Jason C. Greene

Jason C. Greene 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).

  • First down indicator system
    Patent number: 8220170
    Abstract: A first down indicator system adapted for removable attachment to a first down marker post of markers of the type used in football games for marking a distance of ten yards to determine first down measurement.
    Type: Grant
    Filed: August 13, 2010
    Date of Patent: July 17, 2012
    Inventors: Kenneth H. Winckler, Jason C. Greene