Inventor · disambiguated record
Charles R. Preston
Also filed as: PRESTON CHARLES R
4 granted patents·108 citations·filing 1988–1999
78Inventor score
Technology areasG01N
Top patents by PatentIndex Score
4 records- 0177US6274087B1Blood cell analyzer with tube holder and cap piercerBIOCHEM IMMUNOSYSTEMS INC·Filed 1999·Granted Aug 14, 2001·53 cites·6 claims
- 0273US6126903ABlood cell analyzer with tube holder and cap piercerBIOCHEM IMMUNOSYSTEMS INC·Filed 1998·Granted Oct 3, 2000·44 cites·18 claims
- 0338US5089234AControlled environment liquid diluting and transfer valve assemblySERONO DIAGNOSTICS LTD·Filed 1989·Granted Feb 18, 1992·8 cites·10 claims
- 0428US5093083AMethod for controlling the environment in a liquid diluting and transfer valve assemblySERONO DIAGNOSTICS LTD·Filed 1988·Granted Mar 3, 1992·3 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →