Patents by Inventor Thomas E. Stephens

Thomas E. Stephens 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: 20140191450
    Abstract: An apparatus and methods for removing metal from complex materials.
    Type: Application
    Filed: December 10, 2013
    Publication date: July 10, 2014
    Applicant: Global Metal Technologies LLC
    Inventors: Vaughn K. Boyman, Joseph A. Diaz, Gerald Engdahl, Thomas E. Stephens, Christopher E. Gordon
  • Patent number: 8043400
    Abstract: The Inventive System disclosed herein relates to an improved system for extracting metals from ore.
    Type: Grant
    Filed: June 10, 2011
    Date of Patent: October 25, 2011
    Inventors: Thomas E. Stephens, Vaughn K. Boyman, Joseph A Diaz, Christopher E. Gordon, Gerald Engdahl
  • Patent number: 5503606
    Abstract: Apparatus and method for the inspection of training in the martial arts. A simple, computer programable apparatus and method is provided for increasing training efficiency of athletes. The device may vary speed and direction to vary the rhythm and cadence of an athlete, and is capable of fast or slow speeds to keep pressing the athlete to operate at the limits of his aerobic conditioning.
    Type: Grant
    Filed: January 17, 1992
    Date of Patent: April 2, 1996
    Inventor: Thomas E. Stephens