AA

Arnoldus Achterberg

📍 Assen, NL: #18 of 45 inventorsTop 40%
Overall (All Time): #4,111,142 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4201082 Process and equipment for determining the density of a loaded drilling fluid from a deep well, in particular an oil well Wolfgang Dockhorn 1980-05-06