Robert Henry

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Princeton, WV, US

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Patents Grantslast 30 patents

Information Patent Grant
Rotary cutter drum for continuous mining machine
- Patent number 8,939,516
- Issue date Jan 27, 2015
- Caterpillar Global Mining Highwall Miners LLC
- Stewart Myers
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
ROTARY CUTTER DRUM FOR CONTINUOUS MINING MACHINE
- Publication number 20140167487
- Publication date Jun 19, 2014
- CATERPILLAR GLOBAL MINING HIGHWALL MINERS LLC
- Stewart Myers
- E21 - EARTH DRILLING MINING