Brian J. Froehlich

Follow

Person

Galena, OH, US

People

Patents Grantslast 30 patents

Information Patent Grant
Auger boring machine having spoils ejector
- Patent number 8,230,949
- Issue date Jul 31, 2012
- William C. Blevins
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Auger boring machine having spoils ejector
- Publication number 20110203853
- Publication date Aug 25, 2011
- William C. Blevins
- E21 - EARTH DRILLING MINING