Individual holder
GRASFIELD JAMES A
4 granted patents·3 pending applications·69 citations·filing 1996–2007
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
7 records- 0192USD389575SChestpiece of a stethoscopeGRASFIELD JAMES A·Filed 1996·Granted Jan 20, 1998·56 cites·1 claims
- 0251US2008037800A1Electronic stethoscopeGRASFIELD JAMES A·Filed 2007·Application pending·0 cites
- 0349USD389576SStethoscopeGRASFIELD JAMES A·Filed 1996·Granted Jan 20, 1998·7 cites·1 claims
- 0449US2007154024A1Electronic stethoscopeGRASFIELD JAMES A·Filed 2006·Application pending·0 cites
- 0548US2006018278A1Stethoscope communication and remote diagnosis systemGRASFIELD JAMES A·Filed 2005·Application pending·0 cites
- 0638USD389241SBinaurals of a stethoscopeGRASFIELD JAMES A·Filed 1996·Granted Jan 13, 1998·4 cites·1 claims
- 0732USD389577SHousing element of a stethoscopeGRASFIELD JAMES A·Filed 1996·Granted Jan 20, 1998·2 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when GRASFIELD JAMES A files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →