James K. Carta

Follow

Person

Arlington, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for continuously boring and lining tunnels and...
- Patent number 4,915,541
- Issue date Apr 10, 1990
- Louis J. Thompson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for continuously boring and lining tunnels and...
- Patent number 4,793,736
- Issue date Dec 27, 1988
- Louis J. Thompson
- E21 - EARTH DRILLING MINING