Patents by Inventor George T. Grzybowski

George T. Grzybowski 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).

  • Addressable ticketing scanner
    Patent number: 3937894
    Abstract: An automatic toll ticketing system for use in a communication switching system includes an addressable scanner having common control apparatus controlled by the common control apparatus to effect the interrogation of a preselected group of scan points, associated with busy paths established through a switching network of the switching system, in accordance with address data supplied by the common control apparatus which identifies the busy paths.
    Type: Grant
    Filed: January 18, 1974
    Date of Patent: February 10, 1976
    Assignee: GTE Automatic Electric Laboratories Incorporated
    Inventors: George T. Grzybowski, David E. Gaon, Bryan F. Gearing, Martin R. Winandy