Patents Assigned to Earl R. Itrich
  • Replaceable passenger tabulating and recording card reader unit
    Patent number: 3935428
    Abstract: A card reader system particularly adapted for use by public transportation vehicles and including detachable mounting means and featuring easily replaceable functionally discrete components to eliminate downtime of the vehicle due to malfunctions within the card reader system is disclosed.
    Type: Grant
    Filed: September 4, 1974
    Date of Patent: January 27, 1976
    Assignee: Earl R. Itrich
    Inventor: Earl R. Itrich