Patents by Inventor Donald R. Elle

Donald R. Elle 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).

  • Microwave dosimeter utilizing thermoluminescent materials
    Patent number: 3959658
    Abstract: The production of several thermoluminescent compounds, namely BaTiO.sub.3, SrTiO.sub.3, BaZrO.sub.3, and mixtures thereof with and without an activator of dysprosium, and use thereof for microwave and ionizing radiation dosimetry is disclosed herein.
    Type: Grant
    Filed: June 13, 1974
    Date of Patent: May 25, 1976
    Assignee: Purdue Research Foundation
    Inventors: Paul L. Ziemer, Richard J. Vetter, Donald R. Elle