DB

David Belew

UN Unknown: 1 patents #323 of 3,294Top 10%
Overall (2016): #430,214 of 481,213Top 90%
1
Patents 2016

Issued Patents 2016

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9316079 Method and apparatus for milling a zero radius lateral window in casing Jack J. Kolle, Mark Marvin 2016-04-19