Colin Walker

BT Baroid Technology: 1 patents #1 of 14Top 8%

📍 Tideswell, GB: #1 of 1 inventorsTop 100%

Overall (1994): #147,503 of 165,921Top 90%

Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5311953	Drill bit steering	—	1994-05-17