Patents by Inventor John G. Attwood

John G. Attwood 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 element for measuring radiation
    Patent number: 7211808
    Abstract: A dosimeter and method of measuring an absorbed dose of ionizing radiation using the dosimeter comprising at least one first region containing a radiation sensitive material, and a second region containing an identification mark are described, wherein the method includes the steps of: providing a first region including a radiation sensitive material capable of measuring an absorbed dose of ionizing radiation; providing a second region bearing an identification mark; exposing at least the first region to a dose of ionizing radiation; and reading the signal from the first region. The dosimeter can be used to track location and irradiation of an associated good.
    Type: Grant
    Filed: September 24, 2004
    Date of Patent: May 1, 2007
    Assignee: Eastman Kodak Company
    Inventors: James H. Griggs, David J. Steklenski, Michael T. Wolf, John G. Attwood