73381737
Aug 25, 1982
Jun 11, 1985
Computerized Time and Attendance, Data Collection, Security Access, and Time and Transaction Accumulator Terminals and Parts Thereof, All Being Operable by Key Pad or by Encoded Cards; Card Operated Data Access Terminals and Parts Thereof; Card Operated Security Access Control Apparatus, and Encoded Data Card Readers and Terminals
Electrical and Scientific Apparatus