Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method and system for providing local telephone number portability using geographic unit building blocks

Method and system for providing local telephone number portability using geographic unit building blocks

US Patent 6078657 · Granted Jun 20, 2000

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Apparatus and method for subscription-based resource throttling in a cloud envir2022
Apparatus and method for subscription-based resource throttling in a cloud envir2020
Seamless handoff across heterogeneous access networks using a handoff controller2013
Seamless handoff across heterogeneous access networks using a handoff controller2010