Inventor
PERRY STEVEN B
US16 patents
⚠️ This page may combine multiple inventors who share the name “PERRY STEVEN B”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KEPTEL INC
11 patentsUS4807277AFeb 21, 1989
Remotely activated switching apparatus
KEPTEL INC41 citations92
US4679224AJul 7, 1987
Telephone line testing circuit
KEPTEL INC21 citations81
USD282654SFeb 18, 1986
Network interface enclosure
KEPTEL INC20 citations81
US5086459AFeb 4, 1992
Timing circuit and a secure telephone jack utilizing this circuit
KEPTEL INC10 citations73
US4796290AJan 3, 1989
Ground start circuit
KEPTEL INC19 citations73
US4701949AOct 20, 1987
Frequency responsive party telephone line selection apparatus and method
KEPTEL INC11 citations73
US4686700AAug 11, 1987
Telephone off-hook detector circuit
KEPTEL INC14 citations73
US4558182ADec 10, 1985
Remotely-activated switching apparatus
KEPTEL INC16 citations73
US4550225AOct 29, 1985
AC Signal-activated switching apparatus
KEPTEL INC14 citations73
US4536617AAug 20, 1985
Remotely-activated switching apparatus
KEPTEL INC13 citations73
US4761810AAug 2, 1988
Programmable selective ringing circuit and method for party telephone line
KEPTEL INC4 citations62
ANTEC CORP
4 patentsUS6047063AApr 4, 2000
Methods and apparatus for providing an auxiliary communication line
ANTEC CORP23 citations92
US5557672ASep 17, 1996
Channel interface unit
ANTEC CORP25 citations91
US5557670ASep 17, 1996
Channel interface unit
ANTEC CORP16 citations80
US5557669ASep 17, 1996
Channel interface unit
ANTEC CORP14 citations72