Assignee
GREENFELD ALBERT R
US·3 granted patents·351 citations·filing 1985–1991
Technology mixA61M3
Top patents by PatentIndex Score
3 records- 0180US4698058AUltrasonic self-cleaning catheter system for indwelling drains and medication supplyGREENFELD ALBERT R·Filed 1985·Granted Oct 6, 1987·212 cites·25 claims
- 0256US4906238AExterior antimigration refinements for self-cleaning indwelling therapeutic articlesGREENFELD ALBERT R·Filed 1987·Granted Mar 6, 1990·83 cites·11 claims
- 0344US5271735AExterior antimigration refinements for self-cleaning indwelling therapeutic articlesGREENFELD ALBERT R·Filed 1991·Granted Dec 21, 1993·56 cites·19 claims
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