MK

Marshall D. Ketchum

GE: 1 patents #19,878 of 36,430Top 55%
Overall (All Time): #4,124,709 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4236404 Device for monitoring dissolved gases in electrical insulating liquids such as transformer oils Alexander J. Yerman 1980-12-02