Douglas BAUGHER

Follow

Person

Houston, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Double shaft drilling apparatus with hanger bearings
- Patent number 9,309,720
- Issue date Apr 12, 2016
- Scientific Drilling International, Inc.
- Douglas Baugher
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Double Shaft Drilling Apparatus with Hanger Bearings
- Publication number 20140131105
- Publication date May 15, 2014
- SCIENTIFIC DRILLING INTERNATIONAL, INC.
- Douglas BAUGHER
- E21 - EARTH DRILLING MINING