Inventor · disambiguated record
Donald Lee Andruska
Also filed as: ANDRUSKA DONALD L · ANDRUSKA DONALD LEE
14 granted patents·889 citations·filing 1994–2004
94Inventor score
Top patents by PatentIndex Score
14 records- 0196US6408066B1ACD skill-based routingLUCENT TECHNOLOGIES INC·Filed 1999·Granted Jun 18, 2002·358 cites·21 claims
- 0288US5544236AAccess to unsubscribed featuresAT & T CORP·Filed 1994·Granted Aug 6, 1996·134 cites·20 claims
- 0387US5574780AControll of call features provided to a subscriber by a hierarchical telecommunication switchLUCENT TECHNOLOGIES INC·Filed 1995·Granted Nov 12, 1996·124 cites·8 claims
- 0478US5550904AMethod for identifying the originating network at the terminating network for transnetwork callsLUCENT TECHNOLOGIES INC·Filed 1995·Granted Aug 27, 1996·70 cites·20 claims
- 0571US5937035AInterswitch telephone status monitoringLUCENT TECHNOLOGIES INC·Filed 1997·Granted Aug 10, 1999·60 cites·12 claims
- 0664US6912274B2System allowing telephone customers to send and retrieve electronic mail messages using only conventional telephonic devicesLUCENT TECHNOLOGIES INC·Filed 2001·Granted Jun 28, 2005·8 cites·33 claims
- 0764US5673311AHierarchical switch support of services for subscribers directly served by local exchange carriersLUCENT TECHNOLOGIES INC·Filed 1995·Granted Sep 30, 1997·29 cites·18 claims
- 0862US5646985AHierarchical switch support of services for subscribers of independent private branch exchangesLUCENT TECHNOLOGIES INC·Filed 1995·Granted Jul 8, 1997·22 cites·18 claims
- 0960US5956394ACommon treatment of calls from subscribers served by different types of telecommunication equipmentLUCENT TECHNOLOGIES INC·Filed 1997·Granted Sep 21, 1999·20 cites·23 claims
- 1057US5673312AControl of call features provided to a subscriber by a hierarchical telecommunication switchLUCENT TECHNOLOGIES INC·Filed 1996·Granted Sep 30, 1997·24 cites·8 claims
- 1151US5652790AHierarchical switch support of services for subscribers based on organizational membershipLUCENT TECHNOLOGIES INC·Filed 1995·Granted Jul 29, 1997·13 cites·8 claims
- 1248US5668860ACall screening at a hierarchical switch based on organizational membership of the partiesLUCENT TECHNOLOGIES INC·Filed 1995·Granted Sep 16, 1997·17 cites·16 claims
- 1346US5673310AHierarchical switch support of services for subscribers of separate centrex exchangesLUCENT TECHNOLOGIES INC·Filed 1995·Granted Sep 30, 1997·10 cites·16 claims
- 1444US7346070B2Shared wireline code division multiple accessLUCENT TECHNOLOGIES INC·Filed 2004·Granted Mar 18, 2008·0 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →