Clarence L. Stepp

Follow

Person

Houston, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Apparatus for cutting hard earth formations
- Patent number 4,244,625
- Issue date Jan 13, 1981
- Boring & Tunneling Company of America, Inc.
- Gilbert M. Turner
- E21 - EARTH DRILLING MINING
Information Patent Grant
Chain link conveyor apparatus for cutting hard earth formations
- Patent number 3,954,301
- Issue date May 4, 1976
- Boring & Tunneling Co. of America, Inc.
- Clarence L. Stepp
- E21 - EARTH DRILLING MINING