Patents by Inventor Ronald P. Willett

Ronald P. Willett 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).

  • Non-invasive sensor
    Patent number: 5080098
    Abstract: A sensor for placement against the tissue of a living subject for the purpose of measuring a physiological quantity. The sensor includes a rigid housing having a recess chamber formed therein. A light source and sensor is mounted in a flexible mounting pad secured to the housing. The flexible mounting pad allows the light source and sensor to move independently of each other and conforms to the adjacent tissue.
    Type: Grant
    Filed: December 18, 1989
    Date of Patent: January 14, 1992
    Assignee: Sentinel Monitoring, Inc.
    Inventors: Ronald P. Willett, Dennis K. Dawes, Hammond R. Roudedush, Mark W. Baldwin