DP

David B. Parran

Schlumberger Technology: 1 patents #3,893 of 7,293Top 55%
📍 New Orleans, LA: #555 of 1,220 inventorsTop 50%
🗺 Louisiana: #5,044 of 10,876 inventorsTop 50%
Overall (All Time): #3,817,783 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5188173 Pressure control system and cable guiding device for use in drilling wells David L. Richardson, Robert Grubba, Timothy P. McLaughlin 1993-02-23