Reusable tamper-indicating security seal. [Patent Application]
Description:
The invention teaches means for detecting unauthorized tampering or substitutions of a device, and has particular utility when applied on a seal device used to secure a location or thing. The seal has a transparent body wall, and a first indicia, viz., a label identification is formed on the inside surface of this wall. Second and third indicia are formed on the outside surface of the transparent wall, and each of these indicia is transparent to allow the parallax angled viewing of the first in…
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Date:
June 23, 1981
Creator:
Ryan, M. J.
Partner:
UNT Libraries Government Documents Department