MS

Manfred Steinkamp

Overall (All Time): #1,279,357 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6050334 Single trip whipstock assembly Bruce McGarian 2000-04-18
5531280 Drill string anchor Werner Lau, Bruce McGarian 1996-07-02
5261498 Drill string component Werner Lau, Bruce McGarian 1993-11-16
4991649 Oil well packer retriever 1991-02-12