Robert Sherwood ANDERSON

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Culloden, WV, US

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Patents Grantslast 30 patents

Information Patent Grant
Drilling apparatus
- Patent number 9,970,292
- Issue date May 15, 2018
- J.H. Fletcher & Co.
- Henry Eugene Wilson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drilling apparatus with drill guide
- Patent number 9,534,457
- Issue date Jan 3, 2017
- J.H. Fletcher & Co.
- Henry E. Wilson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Pump for use with mine drill and related methods
- Patent number 9,316,070
- Issue date Apr 19, 2016
- J.H. Fletcher & Co.
- Robert Sherwood Anderson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mining machine with improved rib reach capability and method of use...
- Patent number 8,342,267
- Issue date Jan 1, 2013
- J.H. Fletcher & Co.
- Gregory E. Hinshaw
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
DRILLING APPARATUS
- Publication number 20170183966
- Publication date Jun 29, 2017
- J.H. Fletcher & Co.
- Henry Eugene WILSON
- E21 - EARTH DRILLING MINING
Information Patent Application
DRILLING APPARATUS WITH DRILL GUIDE
- Publication number 20140231137
- Publication date Aug 21, 2014
- J.H. Fletcher & Co.
- Henry E. WILSON
- E21 - EARTH DRILLING MINING
Information Patent Application
MINING MACHINE WITH BOOMS PROVIDING ENHANCED RIB ACCESS
- Publication number 20120247836
- Publication date Oct 4, 2012
- Henry E. Wilson
- E21 - EARTH DRILLING MINING