DJ

David B. Jennings

DI Dowell Schlumberger Incorporated: 1 patents #44 of 148Top 30%
📍 Saint-Louis, FR: #39 of 94 inventorsTop 45%
Overall (All Time): #3,847,342 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5101902 Aqueous spacer composition compatible with drilling muds and cement slurries Philippe Parcevaux 1992-04-07