Patents by Inventor Charles Allen Ray

Charles Allen Ray 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).

  • Glucose sensor
    Patent number: D424696
    Type: Grant
    Filed: May 6, 1999
    Date of Patent: May 9, 2000
    Assignee: TheraSense, Inc.
    Inventors: Charles Allen Ray, Debra Armstrong, Victor Lazzaro, Darren Burckhard, Philip Bourgeois
  • Glucose sensor buttons
    Patent number: D426638
    Type: Grant
    Filed: May 6, 1999
    Date of Patent: June 13, 2000
    Assignee: TheraSense, Inc.
    Inventors: Charles Allen Ray, Victor Lazzaro, Darren Burckhard, Philip Bourgeois