P

Inventor

CHAPMAN ALAN S J

CA6 patents
⚠️ This page may combine multiple inventors who share the name “CHAPMAN ALAN S J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NORTHERN TELECOM LTD

3 patents
US5027345AJun 25, 1991

Digital key telephone system

NORTHERN TELECOM LTD27 citations89
US4893310AJan 9, 1990

Digital key telephone system

NORTHERN TELECOM LTD25 citations89
US5136585AAug 4, 1992

Digital key telephone system

NORTHERN TELECOM LTD43 citations88

NORTEL NETWORKS LTD

2 patents
US6587431B1Jul 1, 2003

Supertrunking for packet switching

NORTEL NETWORKS LTD99 citations95
US6330602B1Dec 11, 2001

Scaleable web server and method of efficiently managing multiple servers

NORTEL NETWORKS LTD537 citations95

NORTHERN ELECTRIC CO

1 patent
US4150428AApr 17, 1979

Method for providing a substitute memory in a data processing system

NORTHERN ELECTRIC CO84 citations90