Inventor
FRIEDES ALBERT
US14 patents
⚠️ This page may combine multiple inventors who share the name “FRIEDES ALBERT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AT & T CORP
8 patentsUS5444774AAug 22, 1995
Interactive queuing sytem for call centers
AT & T CORP331 citations99
US5771282AJun 23, 1998
Method for billing multiple services on a single account
AT & T CORP139 citations98
US5633922AMay 27, 1997
Process and apparatus for restarting call routing in a telephone network
AT & T CORP190 citations98
US5675607AOct 7, 1997
Method and apparatus for facilitating the making of card calls
AT & T CORP137 citations97
US5521966AMay 28, 1996
Method and system for mediating transactions that use portable smart cards
AT & T CORP226 citations97
US5894595AApr 13, 1999
Personal mobile communication system
AT & T CORP137 citations96
US5450479ASep 12, 1995
Method and apparatus for facilitating the making of card calls
AT & T CORP99 citations95
US6148071ANov 14, 2000
Method and apparatus for providing calling features independent of the numbering plan
AT & T CORP12 citations72
AT & T BELL LAB
6 patentsUS5311572AMay 10, 1994
Cooperative databases call processing system
AT & T BELL LAB291 citations96
US5311583AMay 10, 1994
International priority calling system with callback features
AT & T BELL LAB175 citations94
US5003584AMar 26, 1991
Method and apparatus for the billing of value-added communication calls
AT & T BELL LAB406 citations92
US4555594ANov 26, 1985
Telephone interexchange signaling protocol
AT & T BELL LAB158 citations91
US5329581AJul 12, 1994
Target area calling system
AT & T BELL LAB38 citations90
US5282243AJan 25, 1994
Recording of automatic number identification to identify lost customers
AT & T BELL LAB74 citations90