Patents by Inventor Barry Hanh

Barry Hanh 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: 20050034764
    Abstract: A pressure control apparatus for use in a bed including a pressurized air source, an inflatable air sack, and an independently inflatable cell located adjacent the inflatable air sack. A controller is operable to regulate the pressure in the air sack and to independently alternately pressurize and vent the inflatable cell at a selected frequency.
    Type: Application
    Filed: September 23, 2004
    Publication date: February 17, 2005
    Inventors: Barry Hanh, Robert Novack, Donald Williamson, James Stolpmann, Kenith Chambers