Patents by Inventor Leyton Mark Stevens

Leyton Mark Stevens 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).

  • Pressure relieving mattress
    Patent number: 7555796
    Abstract: This invention relates to mattresses, such as a pressure relieving mattress, comprising a base portion and an upper portion overlying the base portion and having an interface between the portions which has a coefficient of friction low enough such that the portions can slide relative to each other. This configuration enables relative movement of the portions, when the mattress is lying on a profiling bed and the bed is being profiled.
    Type: Grant
    Filed: January 13, 2005
    Date of Patent: July 7, 2009
    Inventors: Jan Anthony Lewis, Ian Robert Mahoney, Leyton Mark Stevens