Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Radio-analogue method of audio presentation and control for audiotex services

Radio-analogue method of audio presentation and control for audiotex services

US Patent 4899369 · Granted Feb 6, 1990

Estimated economic value: $44,511,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Ergonomic multi-positionable workstation2023
Ergonomic multi-positionable workstation2022
Interactive group content systems and methods2019
Interactive group content systems and methods2016
Enhanced interface for use with speech recognition2014
Methods and apparatus for controlling a user interface based on the emotional st2014
Interactive group content systems and methods2014
Enhanced interface for use with speech recognition2013
Biometric systems and methods for enhanced caller identification and call interc2012
Methods and apparatus for controlling a user interface based on the emotional st2010
Methods and apparatus for a monitoring service2004