Patents by Inventor James Michael Johnston

James Michael Johnston 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).

  • SYSTEMS AND METHODS FOR ATTENUATING ROTATIONAL ACCELERATION OF THE HEAD
    Publication number: 20140090155
    Abstract: In one embodiment, a system for attenuating rotation acceleration of the head includes a protective helmet adapted to be worn on the head of a user, the helmet including an outer shell having an inner surface, an inner liner provided within the shell, the liner comprising one or more pads, and means for enabling the shell to rotate relative to the user's head, the means excluding cell-based foam.
    Type: Application
    Filed: May 4, 2012
    Publication date: April 3, 2014
    Inventors: James Michael Johnston, Lioyd Cooper, Uday Vaidya