PR

Paul D. Ringgenberg

HA Halliburton: 2 patents #42 of 234Top 20%
📍 Carrollton, TX: #6 of 72 inventorsTop 9%
🗺 Texas: #220 of 5,527 inventorsTop 4%
Overall (1994): #9,845 of 165,921Top 6%
3
Patents 1994

Issued Patents 1994

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5341883 Pressure test and bypass valve with rupture disc 1994-08-30
5335731 Formation testing apparatus and method Harold Kent Beck 1994-08-09
5291796 Apparatus and method for draining high pressure fluid samples without mercury Roger L. Schultz 1994-03-08