Inventor · disambiguated record
David Yewell
Also filed as: YEWELL DAVID
2 granted patents·29 citations·filing 1996–1998
63Inventor score
Technology areasH04M
Files withNOTIFY CORP1
Top patents by PatentIndex Score
2 records- 0145US5825852AMultisensing circuitry for class signals and stutter dial tone in visual message waiting indicatorNOTIFY CORP·Filed 1996·Granted Oct 20, 1998·15 cites·5 claims
- 0243US6208731B1Multisensing circuitry for class signals and stutter dial tone in visual message waiting indicatorFiled 1998·Granted Mar 27, 2001·14 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →