DC

David Chataway

HA Hatch: 1 patents #57 of 145Top 40%
Overall (All Time): #2,801,686 of 4,157,543Top 70%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10705196 Method and apparatus for measuring the length of an electrode in an electric arc furnace Matthew H. Cramer, Afshin Sadri, Jennifer Ann Joe Erskine, Bert O. Wasmund, Terry Gerritsen 2020-07-07