John Zeni

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Maidsville, WV, US

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Patents Grantslast 30 patents

Information Patent Grant
Drilling assembly, drilling reamer arm assembly, and methods of dri...
- Patent number 7,823,657
- Issue date Nov 2, 2010
- Abergeldie Holdings Pty Ltd/Abergeldie Plant Pty Ltd.
- John Zeni
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Drilling Assembly, Drilling Reamer Arm Assembly, And Methods Of Dri...
- Publication number 20090178852
- Publication date Jul 16, 2009
- John Zeni
- E21 - EARTH DRILLING MINING