Registers – Records
Patent
1991-12-09
1993-04-27
Pitts, Harold
Registers
Records
235488, 235490, G06K 1900
Patent
active
052064948
ABSTRACT:
An identification card having one part that is movable relative to the other part of the card. A primary code portion 15 located on one part of the card, and a secondary code portion 15 located on the other part of the card. The card holder can move one part of the card relative to the other part to make codes function in combination with each other to identify the holder.
REFERENCES:
patent: 3564214 (1971-02-01), Cooper
Carpenter Richard W.
Pitts Harold
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