Patents Represented by Attorney Scott McNees

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  • Column agglutination assay and device using biphasic centrifugation
    Patent number: 5552064
    Abstract: The present invention provides a method and device for detecting the presence of binding ligands, especially blood group antigens or antibodies thereto, which utilize a matrix of substantially noncompressable microparticles, which matrix provides superior performance in allowing movement of nonagglutinated reactants, especially red blood cells, while constraining, preferably in a so-called "band formation" agglutinated reactants, especially red blood cells.
    Type: Grant
    Filed: August 26, 1993
    Date of Patent: September 3, 1996
    Assignee: Ortho Diagnostic Systems, Inc.
    Inventors: Rosemary K. Chachowski, Thomas M. Setcavage, Kathleen J. Reis
  • Gate opening device
    Patent number: 5050344
    Abstract: An automatic gate opening device is provided which simultaneously lifts and opens the gate. A drive mechanism forces the gate upward, while a roller bearing following a helical slot in a tube causes rotation of the gate. Hinges are provided which allow simultaneous rotational and linear displacement of the gate.
    Type: Grant
    Filed: March 30, 1989
    Date of Patent: September 24, 1991
    Inventor: Wayne B. Skeem