Assignee
MARKHAM CHARLES W
6 granted patents·747 citations·filing 1984–1988
Top patents by PatentIndex Score
6 records- 0187US4549554AAspiration biopsy deviceMARKHAM CHARLES W·Filed 1984·Granted Oct 29, 1985·281 cites·14 claims
- 0273US4931059ANeedle/stylet combinationMARKHAM CHARLES W·Filed 1988·Granted Jun 5, 1990·130 cites·7 claims
- 0372US4774948AMarking and retraction needle having retrievable styletMARKHAM CHARLES W·Filed 1986·Granted Oct 4, 1988·129 cites·6 claims
- 0471US4693257ANeedle aspiration biopsy device with enclosed fluid supplyMARKHAM CHARLES W·Filed 1986·Granted Sep 15, 1987·122 cites·10 claims
- 0560US4705050AMoisture-activated floatation deviceMARKHAM CHARLES W·Filed 1985·Granted Nov 10, 1987·69 cites·5 claims
- 0637US4555243AFlexible and protective guide device for use with aspirating needlesMARKHAM CHARLES W·Filed 1984·Granted Nov 26, 1985·16 cites·7 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →