Leon M. Earl

Follow

Person

Carencro, LA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Switch actuator and flow restrictor pilot valve assembly for measur...
- Patent number 5,660,238
- Issue date Aug 26, 1997
- The Bob Fournet Company
- Leon M. Earl
- E21 - EARTH DRILLING MINING
Information Patent Grant
Self-adjusting centralizer
- Patent number 5,348,091
- Issue date Sep 20, 1994
- The Bob Fournet Company
- Borislav J. Tchakarov
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mud pulse pressure signal generator
- Patent number 5,103,430
- Issue date Apr 7, 1992
- The Bob Fournet Company
- John D. Jeter
- E21 - EARTH DRILLING MINING