Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Radiotelephone communications system with direct access to interoffice telephone trunk circuits and interface therefor

Radiotelephone communications system with direct access to interoffice telephone trunk circuits and interface therefor

US Patent 5544227 · Granted Aug 6, 1996

Estimated economic value: $107,842,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method and system for efficiently routing messages2014
Service escrowed transportable wireless event reporting system2014
Service escrowed transportable wireless event reporting system2013
Method and system for efficiently routing messages2013
Method and system for managing vending operations based on wireless data2013
Service escrowed transportable wireless event reporting system2012
Methods and system for managing vending operations based on wireless data2012
Communication of managing vending operations based on wireless data2012
Method and system for efficiently routing messages2011
Method and system for refining vending operations based on wireless data2010
Telemetry gateway2010
Method and system for improved short message services2007