AS

Arno Steenbock

PA Preussag Aktiengesellschaft: 1 patents #7 of 23Top 35%
Overall (All Time): #4,032,789 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4442908 Tool for drilling curved sections of well holes 1984-04-17