Inventor · disambiguated record
John Purbrick
Also filed as: PURBRICK JOHN A
3 granted patents·3 pending applications·310 citations·filing 1996–2007
79Inventor score
Technology areasA61B
Top patents by PatentIndex Score
6 records- 0172US5825895AElectronic stethoscopeSTETHTECH CORP·Filed 1996·Granted Oct 20, 1998·147 cites·68 claims
- 0265US6002777AElectronic stethoscopeSTETHTECH CORP·Filed 1998·Granted Dec 14, 1999·123 cites·15 claims
- 0351US2008037800A1Electronic stethoscopeGRASFIELD JAMES A·Filed 2007·Application pending·0 cites
- 0449US2007154024A1Electronic stethoscopeGRASFIELD JAMES A·Filed 2006·Application pending·0 cites
- 0544US6005951AElectronic stethoscopeSTETHTECH CORP·Filed 1998·Granted Dec 21, 1999·40 cites·5 claims
- 0640US2003072457A1Electronic stethoscopeFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →