Patents by Inventor James G. Weisbrod

James G. Weisbrod 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).

  • Mark sense reader
    Patent number: 4153895
    Abstract: A mark sense reader is disclosed that views each document individually to ascertain how each individual person has marked the document in regard to the density of each mark and then sets a reading threshold for that person. Each mark is scanned, divided into individual cells and a mark quality is determined. Erasures and smudges are differentiated from intended marks.
    Type: Grant
    Filed: August 1, 1978
    Date of Patent: May 8, 1979
    Assignee: Recognition Equipment Incorporated
    Inventors: James G. Weisbrod, John C. Eby, Jr.