Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › System and method for testing enhanced 911 signalling over a digital loop carrier trunk

System and method for testing enhanced 911 signalling over a digital loop carrier trunk

US Patent 6792080 · Granted Sep 14, 2004

Estimated economic value: $13,665,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

High voltage power supply clamp circuitry for electrostatic discharge (ESD) prot2010
Pad ESD spreading technique2009
Bottle2008
Bottle2008
Voice frequency data enhancement method2004
Voice frequency data enhancement method2000
Higher speed digital loop carrier transmission system1999
Container for paints and similar materials1999
Channel test unit1997
Automatic loss control circuit1995
Hand pump assembly with a pump mechanism which is independent of the pump housin1994