Patents Represented by Attorney R. F. MacKay
  • Patent number: 4105509
    Abstract: A combination measuring and reference electrode which has a large annular reference junction around the centrally located measuring electrode filled with a gel electrolyte so as to provide an equal resistivity at the junction in all radial sectors to prevent a net voltage difference between the measuring and reference electrodes due to voltage gradients in the sample.
    Type: Grant
    Filed: September 7, 1977
    Date of Patent: August 8, 1978
    Assignee: Leeds & Northrup Company
    Inventor: Philip R. Jungck
  • Patent number: 4090746
    Abstract: A press fit sleeve bearing member supported in a bearing support in which the support portion of the bearing member is of limited length along the longitudinal dimension of the bearing member. The bearing zone is isolated from the support zone by a transition zone to isolate the bearing zone from dimensional changes due to distortions created by the press fit.
    Type: Grant
    Filed: April 1, 1977
    Date of Patent: May 23, 1978
    Assignee: Leeds & Northrup Company
    Inventors: Samuel Jordan Harkins, Curtis Robert Alvin Johnson