Assignee
AT & T WIRELESS
US·4 granted patents·173 citations·filing 1996–2002
Top patents by PatentIndex Score
4 records- 0180US5923700AAdaptive weight update method and system for a discrete multitone spread spectrum communications systemAT & T WIRELESS·Filed 1997·Granted Jul 13, 1999·56 cites·31 claims
- 0278US5875398AMethod and apparatus for testing cellular services in a first location from a second location remote from the first locationAT & T WIRELESS·Filed 1996·Granted Feb 23, 1999·84 cites·17 claims
- 0376US6707894B1Prepaid calling time processing: a method and apparatus for processing pre-paid calling time in a telephone communication systemAT & T WIRELESS·Filed 2000·Granted Mar 16, 2004·26 cites·7 claims
- 0471US6826236B2Maximum ratio transmissionAT & T WIRELESS·Filed 2002·Granted Nov 30, 2004·7 cites·24 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →