NUKEY
electrical and electronic apparatus for locking and unlocking doors and barriers; machine readable cards for use in such apparatus; card reading apparatus for receiving machine readable cards and decoding data read therefrom for locking and unlocking doors; apparatus and cards as aforesaid for giving access to cupboards; stores, safes, and food storage cabinets; apparatus and cards as aforesaid associated with transportation means such as ferries, trains, buses, lifts and taxis, and with cash...
Abandoned · December 17, 1993 · 74471555 ·