Inventor · disambiguated record
Joseph Marcus Elder
Also filed as: ELDER JOSEPH M · ELDER JOSEPH MARCUS · ELDER JR JOSEPH M · ELDER JR JOSEPH MARCUS
10 granted patents·1 pending application·299 citations·filing 1974–2014
89Inventor score
Files withAZTEK ENGINEERING INC2GENBAND US LLC2XEL COMMUNICATIONS INC2AT & T CORP1AZTEK NETWORKS INC1
Top patents by PatentIndex Score
11 records- 0188US5488413ACATV telephony system using subsplit band for both directions of transmissionXEL COMMUNICATIONS INC·Filed 1994·Granted Jan 30, 1996·138 cites·22 claims
- 0288US4804944AHall effect liquid level sensing apparatus and methodGOLLADAY JAMES D·Filed 1987·Granted Feb 14, 1989·75 cites·21 claims
- 0385US3934099ABias, feedback and network arrangements for hybrid circuitsBELL TELEPHONE LABOR INC·Filed 1974·Granted Jan 20, 1976·35 cites·20 claims
- 0478US7680252B2Switch proxy for providing emergency stand alone service in remote access systemsAZTEK ENGINEERING INC·Filed 2005·Granted Mar 16, 2010·9 cites·24 claims
- 0566US8351578B2System for installation testing of telephone line terminationsGENBAND US LLC·Filed 2009·Granted Jan 8, 2013·2 cites·17 claims
- 0664US7953210B2Switch proxy for providing emergency stand-alone service in remote access systemsAZTEK ENGINEERING INC·Filed 2006·Granted May 31, 2011·2 cites·26 claims
- 0758US5392349AOvervoltage protection scheme for subscriber loops and method of performing sameAT & T CORP·Filed 1992·Granted Feb 21, 1995·30 cites·12 claims
- 0856US9544166B2Access gateway management systemGENBAND US LLC·Filed 2014·Granted Jan 10, 2017·0 cites·22 claims
- 0953US2014023066A1Access gateway management systemAZTEK NETWORKS INC·Filed 2013·Application pending·0 cites
- 1042US8570855B2Access gateway management systemELDER JOSEPH MARCUS·Filed 2010·Granted Oct 29, 2013·0 cites·7 claims
- 1139US5197068AIntra channel bank communication protocols between channels and the line interface unit of a telephone systemXEL COMMUNICATIONS INC·Filed 1990·Granted Mar 23, 1993·8 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →