Inventor · disambiguated record
Stephen B. Knuth
Also filed as: KNUTH STEPHEN B
14 granted patents·850 citations·filing 1991–1998
95Inventor score
Top patents by PatentIndex Score
14 records- 0188US5400393AVoice mail digital telephone answering devicePHONEMATE INC·Filed 1994·Granted Mar 21, 1995·165 cites·14 claims
- 0287US5418839AEnvironmental adaptive mechanism for channel utilization in cordless telephonesPHONEMATE INC·Filed 1993·Granted May 23, 1995·158 cites·31 claims
- 0380US5646979ACordless telephone with voice announced calling party identificationCASIO PHONEMATE INC·Filed 1995·Granted Jul 8, 1997·97 cites·10 claims
- 0478US5406618AVoice activated, handsfree telephone answering devicePHONEMATE INC·Filed 1992·Granted Apr 11, 1995·96 cites·31 claims
- 0573US5577104AMethod for system and message activation based on distinctive ringingCASIO PHONEMATE INC·Filed 1994·Granted Nov 19, 1996·67 cites·9 claims
- 0672US5197093AEnviromental adaptive mechanism for channel utilization in cordless telephonesPHONEMATE INC·Filed 1991·Granted Mar 23, 1993·65 cites·10 claims
- 0771US5432844AShared line answering system with enhanced extension device featuresPHONEMATE INC·Filed 1994·Granted Jul 11, 1995·55 cites·12 claims
- 0864US5781613ATelephone answering device and method for screening incoming telephone calls with blocked calling party identification informationCASIO PHONEMATE INC·Filed 1996·Granted Jul 14, 1998·40 cites·19 claims
- 0958US5768349AVoice mail telephone answering deviceCASIO PHONEMATE INC·Filed 1996·Granted Jun 16, 1998·32 cites·5 claims
- 1056US5826187AIntegrated cordless telephone with telephone answering device and method of replaying messages through a handset thereofCASIO PHONEMATE INC·Filed 1996·Granted Oct 20, 1998·29 cites·52 claims
- 1151US6160872AApparatus and method for preventing disconnection of consumer premises equipmentCASIO COMMUNICATIONS INC·Filed 1998·Granted Dec 12, 2000·26 cites·91 claims
- 1236US5606598ATelephone answering device with direct telephone line interfaceCASIO PHONEMATE INC·Filed 1992·Granted Feb 25, 1997·6 cites·37 claims
- 1335US5392332AShared line telephone answering system with a telephone line-powered disconnect modulePHONEMATE INC·Filed 1992·Granted Feb 21, 1995·6 cites·14 claims
- 1434US5588046ADigital telephone answering device and method of testing message storage memory thereinCASIO PHONEMATE INC·Filed 1995·Granted Dec 24, 1996·8 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →