Registers – Systems controlled by data bearing records – Credit or identification card systems
Patent
1983-03-24
1985-10-22
Trafton, David L.
Registers
Systems controlled by data bearing records
Credit or identification card systems
70454, 200 4309, 200 5112, 200 5113, 235483, 235492, 339 65, G06K 500
Patent
active
045490767
ABSTRACT:
Guide arrangement for assuring predetermined orientation for electronic key relative to an electrical receptacle into which it is to be inserted.
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Datakey, Inc.
Trafton David L.
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