Stephen D. Lauer

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Waynesburg, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Borehole monitoring device and method
- Patent number 4,597,067
- Issue date Jun 24, 1986
- Conoco Inc.
- Rhea W. Bockhorst
- E21 - EARTH DRILLING MINING
Information Patent Grant
Pressure seal for pumping instruments through drill rod
- Patent number 4,295,536
- Issue date Oct 20, 1981
- Conoco Inc.
- Emrys H. Jones
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drilling fluid circulation system
- Patent number 4,247,312
- Issue date Jan 27, 1981
- Conoco, Inc.
- Pramod C. Thakur
- E21 - EARTH DRILLING MINING