Patents by Inventor Edwin W. Fisher

Edwin W. Fisher 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 apparatus for referencing a cassette and/or an intensifying screen on a radiograph
    Patent number: 5086445
    Abstract: The present invention relates to a method and apparatus for imprinting information, particularly identifying an intensifying screen and cassette used to produce a radiograph, permanently on the radiograph.
    Type: Grant
    Filed: September 13, 1990
    Date of Patent: February 4, 1992
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Edwin W. Fisher, Christopher Schreiber, Douglas R. Walker