Patents by Inventor Michael E. M. Larson

Michael E. M. Larson 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).

  • Method and device for monitoring medication usage
    Patent number: 7785895
    Abstract: The present invention provides methods for detecting and quantifying metabolites in a biological sample by measuring the concentration of a test metabolite in the sample and comparing that concentration against the concentration of the reference metabolite; enabling accurate metabolite concentration measurements to determine aberrant drug usage patterns. Also disclosed is an analytical testing device and related computer-assisted products for detecting and quantifying metabolites in a biological sample efficiently and accurately.
    Type: Grant
    Filed: August 3, 2009
    Date of Patent: August 31, 2010
    Assignee: Marshfield Clinic
    Inventors: Michael E. M. Larson, Thomas M. Richards
  • Method and device for monitoring medication usage
    Patent number: 7585680
    Abstract: The present invention provides methods for detecting and quantifying metabolites in a biological sample by measuring the concentration of a test metabolite in the sample and comparing that concentration against the concentration of the reference metabolite; enabling accurate metabolite concentration measurements to determine aberrant drug usage patterns. Also disclosed is an analytical testing device and related computer-assisted products for detecting and quantifying metabolites in a biological sample efficiently and accurately.
    Type: Grant
    Filed: August 23, 2004
    Date of Patent: September 8, 2009
    Assignee: Marshfield Medical Research and Education Foundation
    Inventors: Michael E. M. Larson, Thomas M. Richards