Larry G. Marteney

Follow

Person

Bridgeport, WV, US

People

Patents Grantslast 30 patents

Information Patent Grant
Underground mining system and method for developing longwall panel
- Patent number 5,265,941
- Issue date Nov 30, 1993
- Tamrock World Corporation, N.V.
- Larry G. Marteney
- E21 - EARTH DRILLING MINING