P

Inventor

DAVENPORT ESTHER L

US5 patents
⚠️ This page may combine multiple inventors who share the name “DAVENPORT ESTHER L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

AT & T CORP

3 patents
US5557664ASep 17, 1996

Calling party-paid wireless telephone service

AT & T CORP118 citations94
US5444713AAug 22, 1995

Telephone information service system using digital and out-of-band signaling

AT & T CORP107 citations92
US5459779AOct 17, 1995

Method for switching telephone calls to information service providers

AT & T CORP96 citations91

AMERICAN TELEPHONE & TELEGRAPH

2 patents
US4782521ANov 1, 1988

Communication terminal call reminder with automatic dialing

AMERICAN TELEPHONE & TELEGRAPH91 citations93
US4899377AFeb 6, 1990

Communication terminal telephone directory with dynamic directory tabbing

AMERICAN TELEPHONE & TELEGRAPH37 citations88