P
PatentIndex
Search
Landscape
Sign in
Inventor
BOURNE JOHN B
2 patents
Patents
2 patents
US4213201A
Jul 15, 1980
Modular time division switching system
NORTHERN TELECOM LTD
68 citations
90
US4123624A
Oct 31, 1978
Switching network for a PCM TDM system
NORTHERN TELECOM LTD
29 citations
77