Inventor · disambiguated record
Charles Walbourn
Also filed as: WALBOURN CHARLES · WALBOURN CHARLES C
4 granted patents·23 citations·filing 1990–1995
73Inventor score
Top patents by PatentIndex Score
4 records- 0134US5919645AMethod for the direct determination of the toxicity of particulate solidsAZUR ENVIRONMENTAL·Filed 1991·Granted Jul 6, 1999·10 cites·13 claims
- 0227US5573954AMethod of obtaining small representative solid-phase samplesMICROBICS CORP·Filed 1995·Granted Nov 12, 1996·3 cites·14 claims
- 0327US5426035AMethod of compensating toxicity test data for the measured toxicity of a reference sampleMICROBICS CORP·Filed 1992·Granted Jun 20, 1995·4 cites·10 claims
- 0427US5215885AStable two-part chromogen substrateBECKMAN INSTRUMENTS INC·Filed 1990·Granted Jun 1, 1993·6 cites·22 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →