Patents Assigned to Robert A. Leuine
  • Method for performing blood cell counts
    Patent number: 5948686
    Abstract: A method for evaluating constituents of a sample of substantially undiluted anti-coagulated whole blood is provided which includes the steps of a) providing a sample chamber; b) admixing a sensible colorant with the sample of whole blood; c) inserting the admixed sample into the sample chamber; d) quiescently holding the admixed sample for a period until rouleaux and lacunae form within the sample; and e) evaluating a target constituent disposed within the lacunae.
    Type: Grant
    Filed: March 4, 1999
    Date of Patent: September 7, 1999
    Assignee: Robert A. Leuine
    Inventor: Stephen C. Wardlaw