Inventor · disambiguated record

Kelvin R. Campbell

Also filed as: CAMPBELL KELVIN · CAMPBELL KELVIN R

3 granted patents·45 citations·filing 1990–2023

69Inventor score

Technology areasA62D B09B B60K

Files withELI ECO LOGIC INC1 ONTARIO INC 6559011 T H MARINE SUPPLIES LLC1

Top patents by PatentIndex Score

3 records

0181US12311851B1Watercraft battery switch system with visual indicatorT H MARINE SUPPLIES LLC·Filed 2023·Granted May 27, 2025·1 cites·20 claims
0256US5704557AMethod and apparatus for treatment of organic waste materialELI ECO LOGIC INC·Filed 1995·Granted Jan 6, 1998·15 cites·48 claims
0352US5050511AProcess for the destruction of organic waste materialONTARIO INC 655901·Filed 1990·Granted Sep 24, 1991·29 cites·67 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →