P

Assignee

INTERTEL INC

6 patents

Top patents by PatentIndex Score

US3955141AMay 4, 1976

Synchronizing circuit for modems in a data communications network

INTERTEL INC64 citations95
US4076961AFeb 28, 1978

Automatic switching unit for data communications network

INTERTEL INC34 citations92
US4306116ADec 15, 1981

Communications unit for voice and data

INTERTEL INC53 citations90
US4055808AOct 25, 1977

Data communications network testing system

INTERTEL INC43 citations90
US4037049AJul 19, 1977

Modulator and demodulator for data communications network

INTERTEL INC10 citations72
US4055733AOct 25, 1977

Line level signal measuring device

INTERTEL INC16 citations71