Inventor

JOHNSON LETICIA GARCIA

US4 patents

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

AT & T CORP

2 patents

US6252943B1Jun 26, 2001

Telephone network having dual gateway interconnection architecture for handling emergency services

AT & T CORP100 citations92

US5905791AMay 18, 1999

Method and apparatus for providing combined communication services including local service and toll service

AT & T CORP11 citations67

CLARK CHRISTINE YU-SHA CHOU

1 patent

US8305926B2Nov 6, 2012

Method and apparatus for self-learning of call routing information

CLARK CHRISTINE YU-SHA CHOU5 citations52

CLARK CHRISTINE YU-SHA CLOU

1 patent

US8593993B2Nov 26, 2013

Method and apparatus for self-learning of call routing information

CLARK CHRISTINE YU-SHA CLOU3 citations51