Patents by Inventor Gregory Llewelyn Morris

Gregory Llewelyn Morris 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).

  • Patent number: 5820550
    Abstract: An improved pulse oximeter apparatus and method for the measurement of oxygen saturation in the blood, which is faster and more accurate than conventional pulse oximeters. Improved speed and accuracy is attained by elimination of normalization and feedback circuitry and the use of analog to digital converting devices having a wide dynamic range along with a sophisticated computer analysis. The instant invention eliminates inaccuricies resulting from channel matching errors, and detects and eliminates aberrant input data.
    Type: Grant
    Filed: March 16, 1995
    Date of Patent: October 13, 1998
    Assignee: Novametrix Medical Systems Inc.
    Inventors: Michael John Ross Polson, Gregory Llewelyn Morris