P

Inventor

SMITH NICHOLAS K

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

BELL TELEPHONE LABOR INC

5 patents
US4451705AMay 29, 1984

Call completion circuit and method

BELL TELEPHONE LABOR INC81 citations92
US4291200ASep 22, 1981

Voice and data switching arrangement

BELL TELEPHONE LABOR INC50 citations91
US4143246AMar 6, 1979

Time division line interface circuit

BELL TELEPHONE LABOR INC33 citations91
US4449017AMay 15, 1984

ACD Combined handset and headset arrangement

BELL TELEPHONE LABOR INC24 citations78
US4279032AJul 14, 1981

Channel bank loop-around test arrangement and method

BELL TELEPHONE LABOR INC17 citations72

AT & T BELL LAB

1 patent
US4510351AApr 9, 1985

ACD Management information system

AT & T BELL LAB343 citations93

AVAYA TECHNOLOGY CORP

1 patent
US6643253B1Nov 4, 2003

Method and apparatus for providing virtual facility communication service

AVAYA TECHNOLOGY CORP23 citations91

AMERICAN TELEPHONE & TELEGRAPH

1 patent
US4802199AJan 31, 1989

Method and apparatus for providing virtual facility communication service

AMERICAN TELEPHONE & TELEGRAPH94 citations91