Robert Needham

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Pittsburgh, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Mining roof support system
- Patent number 9,206,687
- Issue date Dec 8, 2015
- Caterpillar Global Mining America LLC
- Robert Needham
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
MINING ROOF SUPPORT SYSTEM
- Publication number 20150300169
- Publication date Oct 22, 2015
- Caterpillar Global Mining LLC
- Robert Needham
- E21 - EARTH DRILLING MINING