JP

John D. Parrish

BH Baker Hughes Holdings: 1 patents #9 of 55Top 20%
📍 Houston, TX: #210 of 924 inventorsTop 25%
🗺 Texas: #885 of 4,134 inventorsTop 25%
Overall (1989): #93,625 of 140,708Top 70%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4794822 Rock bit manufacturing method Rodney A. Bellamy 1989-01-03