SD

Steven J. Drummond

BH Baker Hughes Holdings: 1 patents #1,949 of 3,522Top 60%
Overall (All Time): #3,396,131 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7270191 Flapper opening mechanism Graham E. Farquhar 2007-09-18