Patents by Inventor Marvin Alden Genshaw

Marvin Alden Genshaw 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).

  • Test device and method for determining blood hemoglobin
    Patent number: 4057394
    Abstract: A test device and method are provided for determining the hemoglobin content of blood. The test device comprises a substantially opaque light reflecting matrix having a refractive index significantly different from the refractive index of blood. In use, a test sample of blood is contacted with the matrix of said test device and the light reflectance therefrom is measured as an indication of the quantitative amount of hemoglobin present in said sample.
    Type: Grant
    Filed: May 24, 1976
    Date of Patent: November 8, 1977
    Assignee: Miles Laboratories, Inc.
    Inventor: Marvin Alden Genshaw