Individual holder
CHOATE THOMAS V
US·4 granted patents·137 citations·filing 1991–1991
Individually held — no corporate assignee on record.
Technology mixA61M2
Top patents by PatentIndex Score
4 records- 0153US5253641ARespiratory filter apparatus and methodCHOATE THOMAS V·Filed 1991·Granted Oct 19, 1993·86 cites·14 claims
- 0244USD346863STransparent patient enclosure for use with respiratory filter apparatusCHOATE THOMAS V·Filed 1991·Granted May 10, 1994·6 cites·1 claims
- 0339US5233975ARespiratory filter apparatus with patient enclosure and methodCHOATE THOMAS V·Filed 1991·Granted Aug 10, 1993·44 cites·25 claims
- 0427USD344586SRespiratory filter machine to reduce airborne disease transmission of a patientCHOATE THOMAS V·Filed 1991·Granted Feb 22, 1994·1 cites·1 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →