Patents Examined by Kaiyeu Chu
  • Patent number: 7931024
    Abstract: A respiratory mask is provided having an outer shell coupled to a cushion for the delivery of a gas to a user. The cushion of the respiratory mask has a pleat and varied wall thicknesses about the device in order to provide varying degrees of flexibility and support about the cushion.
    Type: Grant
    Filed: May 18, 2007
    Date of Patent: April 26, 2011
    Assignee: RIC Investments, LLC
    Inventors: Peter Chi Fai Ho, Derrick Andrews