Inventor · disambiguated record
David Calderhead
Also filed as: CALDERHEAD DAVID
3 granted patents·351 citations·filing 1985–1989
79Inventor score
Technology areasG01N
Top patents by PatentIndex Score
3 records- 0197US4740468AConcentrating immunochemical test device and methodSYNTEX INC·Filed 1985·Granted Apr 26, 1988·251 cites·80 claims
- 0287US5716778AConcentrating immunochemical test device and methodABBOTT LAB·Filed 1989·Granted Feb 10, 1998·53 cites·129 claims
- 0385US4879215AConcentrating immunochemical test stripSYNTEX INC·Filed 1988·Granted Nov 7, 1989·47 cites·19 claims
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