Assignee
GROOT WILLIAM J DE
US·3 granted patents·498 citations·filing 1986–1990
Top patents by PatentIndex Score
3 records- 0181US4893635AApparatus for performing a biopsyGROOT WILLIAM J DE·Filed 1988·Granted Jan 16, 1990·244 cites·3 claims
- 0269US5056529AApparatus and method for performing a transbroncheal biopsyGROOT WILLIAM J DE·Filed 1990·Granted Oct 15, 1991·183 cites·4 claims
- 0358US4766907AApparatus and method for performing a biopsy and a device for manipulating sameGROOT WILLIAM J DE·Filed 1986·Granted Aug 30, 1988·71 cites·9 claims
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