Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method and apparatus for prioritizing a telephone call according to a level of service of an originator

Method and apparatus for prioritizing a telephone call according to a level of service of an originator

US Patent 5500889 · Granted Mar 19, 1996

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Surface modified heater assembly2024
Smart cover bug deterrent2024
Surface modified heater assembly2022
Data analysis engine2022
Smart cover bug deterrent2021
Sleeved garment2013
Rechargeable carpet sweeper2009
Vertically expandable keyboard2004
Water meter cover2004
Method for administering advanced number portability numbers2002
Apparatus for a stylus input system for shielding RFI/EMI fields1996
Routing calls destined for inaccessible destinations1995