75248338
Feb 26, 1997
service using an electronic telecommunications system which, upon signal from one of three interrogator electronic telecommunication instruments (VSP-Peace Officer, VSP-First Responder, or VSP-Tracker), permits user to retrieve information programmed by an electronic telecommunications instrument, the VSP-Encoder, into a portable tagging electronic telecommunications instrument (VSP-Sentinel) which is attached to cargo containers (trucks, tankers, boxcars, boxes, etc.)
Telecommunications