Patents by Inventor Beth Atwood

Beth Atwood 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).

  • Patent number: 5288648
    Abstract: An apparatus is provided for the detection and semi-quantitative measurement of analytes. The assay results are visualized by the formation on a filter of a colored annular or circular spot, the diameter of the spot being related to the concentration of the analyte of interest. The filter on which the assay results are visualized is divided into multiple regions by strips of non-porous tape crossing the filter surface. The invention also includes a component for diluting sample to a suitable concentration for analysis, and dispensing the diluted sample onto the test filter.
    Type: Grant
    Filed: July 24, 1992
    Date of Patent: February 22, 1994
    Assignee: SangStat Medical Corporation
    Inventors: Philippe Pouletty, Beth Atwood, David Rammler
  • Patent number: 5147780
    Abstract: An apparatus is provided for the detection and semi-quantitative measurement of analytes. The assay results are visualized by the formation on a filter of a colored annular or circular spot, the diameter of the spot being related to the concentration of the analyte of interest. The filter on which the assay results are visualized is divided into multiple regions by strips of non-porous tape crossing the filter surface. The invention also includes a component for diluting sample to a suitable concentration for analysis, and dispensing the diluted sample onto the test filter.
    Type: Grant
    Filed: January 23, 1991
    Date of Patent: September 15, 1992
    Assignee: Sangstat Medical Corporation
    Inventors: Philippe Pouletty, Beth Atwood, David Rommler