Inventor
UNGER DAVID G
US7 patents
⚠️ This page may combine multiple inventors who share the name “UNGER DAVID G”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AT & T CORP
6 patentsUS6658254B1Dec 2, 2003
Method and apparatus for personalization of a public multimedia communications terminal
AT & T CORP306 citations98
US6269337B1Jul 31, 2001
Method and apparatus to provide enhanced directory assistance information in a communication network
AT & T CORP49 citations93
US7039411B2May 2, 2006
Method and apparatus for personalization of a public multimedia communications terminal
AT & T CORP16 citations92
US5859897AJan 12, 1999
Telephone calling card and service
AT & T CORP33 citations91
US6466910B1Oct 15, 2002
Method and apparatus to provide enhanced directory assistance information in a communication network
AT & T CORP36 citations90
US7221936B2May 22, 2007
Method and apparatus for personalization of a public multimedia communications terminal
AT & T CORP4 citations62