Inventor
LIVERMORE FREDERICK C
CA9 patents
⚠️ This page may combine multiple inventors who share the name “LIVERMORE FREDERICK C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NORTHERN TELECOM LTD
7 patentsUS5610910AMar 11, 1997
Access to telecommunications networks in multi-service environment
NORTHERN TELECOM LTD947 citations97
US4709296ANov 24, 1987
Protection arrangement for a telephone subscriber line interface circuit
NORTHERN TELECOM LTD60 citations93
US4544983AOct 1, 1985
Overvoltage protection device
NORTHERN TELECOM LTD21 citations81
US4625255ANov 25, 1986
Interactive overvoltage protection device
NORTHERN TELECOM LTD13 citations73
US4393433AJul 12, 1983
Overvoltage protector for telephone lines
NORTHERN TELECOM LTD9 citations73
US5015600AMay 14, 1991
Method for making integrated circuits
NORTHERN TELECOM LTD8 citations70
US4217480AAug 12, 1980
Thermal print bar
NORTHERN TELECOM LTD4 citations58