Patents by Inventor Stephen N. Thorp

Stephen N. Thorp 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).

  • Backlighted fluorescent/retroreflective safety device
    Patent number: 6168876
    Abstract: An improved, “fail-safe” safety device comprising, in combination, a backlighted fluorescent film and a retroreflective sheet.
    Type: Grant
    Filed: March 15, 1994
    Date of Patent: January 2, 2001
    Inventors: Elizabeth M. Thorp, Stephen N. Thorp