Patents by Inventor Ervin Podgorsak

Ervin Podgorsak 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: 3935457
    Abstract: A dosimeter having a dielectric material such as sapphire wherein the efficiency as measured by mean drift distance and trapping efficiency is increased by making use of a dielectric material in which the total active impurity does not exceed 50 ppm and in which any one active impurity does not exceed 10 ppm.
    Type: Grant
    Filed: August 16, 1974
    Date of Patent: January 27, 1976
    Assignee: Wisconsin Alumni Research Foundation
    Inventors: Paul R. Moran, Ervin Podgorsak, Gary D. Fullerton, Gene E. Fuller