Inventor · disambiguated record
Kevin Colwell
Also filed as: COLWELL KEVIN · COLWELL KEVIN A
8 granted patents·670 citations·filing 1992–2016
91Inventor score
Technology areasH04M
Top patents by PatentIndex Score
8 records- 0191US5351288AVoice bridge for a relay centerULTRATEC INC·Filed 1992·Granted Sep 27, 1994·163 cites·11 claims
- 0283USD763219STelecommunication deviceENGELKE ROBERT M·Filed 2013·Granted Aug 9, 2016·26 cites·1 claims
- 0383US6075841AIn-line text display for telephone terminal employing data filteringULTRATEC INC·Filed 1997·Granted Jun 13, 2000·110 cites·1 claims
- 0483US5432837ATelecommunication device for the deaf with automatic transmission capabilityULTRATEC INC·Filed 1993·Granted Jul 11, 1995·103 cites·15 claims
- 0583US5327479ATelecommunication device for the deaf with interrupt and pseudo-duplex capabilityULTRATEC INC·Filed 1992·Granted Jul 5, 1994·105 cites·20 claims
- 0682US5325417ATelecommunication device for the deaf with automatic self-identificationULTRATEC INC·Filed 1992·Granted Jun 28, 1994·93 cites·14 claims
- 0771USD772836STelecommunication deviceENGELKE ROBERT M·Filed 2016·Granted Nov 29, 2016·12 cites·1 claims
- 0871US5517548ATelecommunication device operating under an enhanced TDD protocolFiled 1993·Granted May 14, 1996·58 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →