Inventor
FAHEY ROBERT J
12 patents
⚠️ This page may combine multiple inventors who share the name “FAHEY ROBERT J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GTE PROD CORP
7 patentsUS4304970ADec 8, 1981
Telephone status monitor apparatus
GTE PROD CORP192 citations97
US4284849AAug 18, 1981
Monitoring and signalling system
GTE PROD CORP312 citations97
US4259548AMar 31, 1981
Apparatus for monitoring and signalling system
GTE PROD CORP273 citations96
US4273960AJun 16, 1981
Apparatus for monitoring usage of a telephone
GTE PROD CORP10 citations72
US4360890ANov 23, 1982
Apparatus for signalling system
GTE PROD CORP3 citations60
US4308430ADec 29, 1981
Apparatus for signalling system
GTE PROD CORP6 citations60
US4301515ANov 17, 1981
Variable timing system
GTE PROD CORP3 citations60
GTE SYLVANIA INC
4 patentsUS4224478ASep 23, 1980
Data transmission circuit for establishing a bidirectional data path in a telephone system
GTE SYLVANIA INC32 citations91
US4220872ASep 2, 1980
DC power supply circuit
GTE SYLVANIA INC24 citations81
US4225792ASep 30, 1980
Detector circuit
GTE SYLVANIA INC18 citations73
US4220825ASep 2, 1980
Telephone status monitor circit
GTE SYLVANIA INC16 citations73