Inventor · disambiguated record

Marshall D. Ketchum

Also filed as: KETCHUM MARSHALL D

1 granted patent·69 citations·filing 1976–1976

51Inventor score

Technology areasG01N

Files withGEN ELECTRIC1

Top patents by PatentIndex Score

1 record

0189US4236404ADevice for monitoring dissolved gases in electrical insulating liquids such as transformer oilsGEN ELECTRIC·Filed 1976·Granted Dec 2, 1980·69 cites·10 claims

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