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U S West NewVector Group, Inc. Patents |
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Assignee: U S West NewVector Group, Inc.
Address: Bellevue, WA
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 5295180 |
Cellular telephone zone system |
March 15, 1994 |
| A system for marking a plurality of zones within a cellular service area. One or more marker transmitters are disposed throughout a cellular area to transmit a zone identification signal that is independent of normal RF cellular coverage to a mobile or portable cellular receiver. Each zo |
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