Patents by Inventor Alan John Britten

Alan John Britten 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).

  • Apparatus for determining pupil dimensions
    Patent number: 5784145
    Abstract: A binocular apparatus for determining pupil dimensions for the eyes of a subject which include an optical imaging apparatus permitting images defining each pupil to be simultaneously transmitted along separate optical paths to a common optical sensing device. The binocular apparatus is useful in measuring anisocoria and in detecting drug abuse and/or opiate addiction. A method for determining pupil dimensions for the eyes is also presented.
    Type: Grant
    Filed: July 24, 1995
    Date of Patent: July 21, 1998
    Assignee: St. George's Enterprises Ltd.
    Inventors: Abdol Hamid Ghodse, Daniel Robert Stafford Taylor, Alan John Britten, George Henry Gibson