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US 5920821

How Phones Automatically Find and Update Network Lists Using CDPD

A 1995 system for helping mobile phones automatically update their preferred network lists and find the best service provider using a data-only channel.

Statusexpired

Granted1999

Expires2015

Claims24

Forward citations179

Prior art21

AssigneeBell Atlantic Network Services Inc

InventorsJohn W. Seazholtz, Robert D. Farris

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