Performance Research & Drilling, LLC

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Lorain, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Horizontal directional drilling in wells
- Patent number 6,964,303
- Issue date Nov 15, 2005
- Performance Research & Drilling, LLC
- Henry B. Mazorow
- E21 - EARTH DRILLING MINING
Information Patent Grant
Horizontal directional drilling in wells
- Patent number 6,889,781
- Issue date May 10, 2005
- Performance Research & Drilling, LLC
- Henry B. Mazorow
- E21 - EARTH DRILLING MINING
Information Patent Grant
Horizontal directional drilling in wells
- Patent number 6,578,636
- Issue date Jun 17, 2003
- Performance Research & Drilling, LLC
- Henry B. Mazorow
- E21 - EARTH DRILLING MINING