U.S. federal trademark · Serial No. 75248338
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.)
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.