JC

John H. Crisp

BT Baker Oil Tools: 1 patents #43 of 87Top 50%
Overall (All Time): #3,992,148 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4576236 Perforation and isolation apparatus Gregg W. Stout, John A. Nelson 1986-03-18