WJ

William L. Brakhage, Jr.

BT Baker Oil Tools: 3 patents #19 of 87Top 25%
CW Cameron Iron Works: 1 patents #35 of 76Top 50%
📍 Broken Arrow, OK: #120 of 587 inventorsTop 25%
🗺 Oklahoma: #2,630 of 12,736 inventorsTop 25%
Overall (All Time): #1,306,439 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4577694 Permanent lock open tool — 1986-03-25
4569397 Ball valve actuating mechanism Timothy R. Cupples 1986-02-11
4475598 Ball valve actuating mechanism Timothy R. Cupples 1984-10-09
4437643 Ram-type blowout preventer William M. Taylor 1984-03-20