Patents by Inventor Charles Joseph Stephens

Charles Joseph 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).

  • Reactive headrest system for disabled individuals
    Patent number: 9271886
    Abstract: A headrest assembly for assisting individuals with hypertonic extension pattern provides a pivoting support that better matches the pivoting motion of the patient's head in backward extension. A restoring spring absorbs and dissipates the energy of the extension and provides adjustable spring restoring force.
    Type: Grant
    Filed: December 13, 2012
    Date of Patent: March 1, 2016
    Assignee: WISYS TECHNOLOGY FOUNDATION, INC.
    Inventor: Charles Joseph Stephens
  • REACTIVE HEADREST SYSTEM FOR DISABLED INDIVIDUALS
    Publication number: 20130257014
    Abstract: A headrest assembly for assisting individuals with hypertonic extension pattern provides a pivoting support that better matches the pivoting motion of the patient's head in backward extension. A restoring spring absorbs and dissipates the energy of the extension and provides adjustable spring restoring force.
    Type: Application
    Filed: December 13, 2012
    Publication date: October 3, 2013
    Applicant: WiSys Technology Foundation, Inc.
    Inventor: Charles Joseph Stephens