Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Apparatus for detecting and preventing subscriber number cloning in a cellular mobile telephone system

Apparatus for detecting and preventing subscriber number cloning in a cellular mobile telephone system

US Patent 5335265 · Granted Aug 2, 1994

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Tessellation and connection system for space assembly of modular units2025
Modular and reconfigurable assembler system for autonomous in-space assembly2024
Subscriber management and accounting using event detection in a wireless device2012
Systems and methods for prerating costs for a communication event2009
Systems and methods for prerating costs for a communication event2009
Subscriber management and accounting using event detection in a wireless device2008
Method and system for providing supervisory control over wireless phone usage2007
Method and system for providing supervisory control over wireless phone usage2007
Method and system for providing supervisory control over wireless phone usage2007
Call delivery systems for roaming prepaid subscribers2007
Systems and methods for prerating costs for a communication event2004
Systems and methods for prerating costs for a communication event2004