Patents by Inventor Michael D. Harpen

Michael D. Harpen 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 for evaluating thyroid function
    Patent number: 4478945
    Abstract: Clinical method for evaulating thyrometabolic function by determination of clinically important thyroxine concentrations and thyroxine binding protein capacities in plasma.The method employs a competitive binding technique for determining free thyroxine concentration and thyroxine binding capacity for plasma having a known total thyroxine concentration.
    Type: Grant
    Filed: July 28, 1981
    Date of Patent: October 23, 1984
    Inventors: Wai-Nang P. Lee, Michael D. Harpen, Jeffry A. Siegel