DL

David B. Larson

DI Dowell Schlumberger Incorporated: 1 patents #3 of 36Top 9%
📍 Los Altos, CA: #40 of 155 inventorsTop 30%
🗺 California: #2,144 of 10,592 inventorsTop 25%
Overall (1989): #122,605 of 140,708Top 90%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4802534 Method and device for manipulating ferrofluids for use in cementing wells Erik Nelson 1989-02-07