Patents by Inventor Mary S. Ramos

Mary S. Ramos 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).

  • Culture media device and method of use
    Patent number: 5232838
    Abstract: A culture media device comprised of a body member including self-supporting substrate, and coated on its upper surface with a layer of water-based adhesive composition and a layer of a cold-water-soluble powder, is provided. The culture media device can also include an optional cover sheet, covering at least a portion of the body member, and an air-permeable membrane affixed to the upper surface of the substrate to allow for the growth of aerobic microorganisms. In addition, processes of making and using the culture media device are disclosed.
    Type: Grant
    Filed: December 9, 1991
    Date of Patent: August 3, 1993
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Robert L. Nelson, Michael D. Crandall, Mary S. Ramos