Inventor

BRUCE DUNCAN

US3 patents

Patents

3 patents

US4538033AAug 27, 1985

Data bridge with gating and/or testing

CONKLIN INSTR CORP11 citations68

US4258236AMar 24, 1981

Remote telephone line switching and testing

CONKLIN INSTR CORP19 citations68

US4403119ASep 6, 1983

DTMF Activated remote telephone line switching and testing

CONKLIN INSTR CORP5 citations57