Patents Assigned to Rosemont Engineering Company Limited
  • Patent number: 4307373
    Abstract: A solid state sensor element is a flat device having a film resistance thermometer on one face and a pair of spaced apart conductors on the other. The element is used for measuring selected properties of a material or the surrounding atmosphere and normally the spaced conductors are covered by a coating of a material which is electrically responsive to variations in a selected parameter of the ambient atmosphere.
    Type: Grant
    Filed: June 18, 1980
    Date of Patent: December 22, 1981
    Assignee: Rosemont Engineering Company Limited
    Inventor: James S. Johnston