DE

Donald Wallace Ekdahl

📍 Bakersfield, CA: #5 of 38 inventorsTop 15%
🗺 California: #8,284 of 26,763 inventorsTop 35%
Overall (2002): #228,409 of 266,432Top 90%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6499344 Apparatus and method to obtain representative samples of oil well production Donald C. Nelson 2002-12-31