Patents by Inventor Willedwin John Grant

Willedwin John Grant 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).

  • Forehead support for facial mask
    Patent number: 6463931
    Abstract: An adjustable forehead support for a nasal mask. The present invention discloses an adjustable forehead support for a nasal or full-face mask wherein the forehead support may be adjusted for the different shapes and sizes of a facial profile. The forehead support utilizes a dual-arm system which adjusts the position of the forehead support vis-à-vis the mask and/or air flow tube. The angle of the mask to the face may be adjusted with the present invention.
    Type: Grant
    Filed: June 30, 2000
    Date of Patent: October 15, 2002
    Assignee: ResMed Limited
    Inventors: Philip Rodney Kwok, Willedwin John Grant, Robert Stephen Matchett
  • Forehead support for facial mask
    Patent number: 6119693
    Abstract: An adjustable forehead support for a nasal mask. The present invention discloses an adjustable forehead support for a nasal or full-face mask wherein the forehead support may be adjusted for the different shapes and sizes of a facial profile. The forehead support utilizes a dual-arm system which adjusts the position of the forehead support vis-a-vis the mask and/or air flow tube. The angle of the mask to the face may be adjusted with the present invention.
    Type: Grant
    Filed: January 16, 1998
    Date of Patent: September 19, 2000
    Assignee: Resmed Limited
    Inventors: Philip Rodney Kwok, Willedwin John Grant, Robert Stephen Matchett