Individual holder
GROOTERS RONALD K
US·3 granted patents·1,795 citations·filing 1987–1990
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0195US5131905AExternal cardiac assist deviceGROOTERS RONALD K·Filed 1990·Granted Jul 21, 1992·634 cites·21 claims
- 0295US4960424AMethod of replacing a defective atrio-ventricular valve with a total atrio-ventricular valve bioprosthesisGROOTERS RONALD K·Filed 1988·Granted Oct 2, 1990·651 cites·21 claims
- 0389US4779611ADisposable surgical scope guideGROOTERS RONALD K·Filed 1987·Granted Oct 25, 1988·510 cites·12 claims
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