James Earl JR.

Follow

Person

Proctorville, OH, US

People

Patents Grantslast 30 patents

Information Patent Grant
Strand, cable bolt and its installation
- Patent number 9,909,419
- Issue date Mar 6, 2018
- N.V. Bekaert S.A.
- Stijn Defossez
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for secondary roof support in an underground mine
- Patent number 6,682,268
- Issue date Jan 27, 2004
- Earl Products, Inc.
- Roy Lee Robertson
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
STRAND, CABLE BOLT AND ITS INSTALLATION
- Publication number 20150043976
- Publication date Feb 12, 2015
- N.V. BEKAERT S.A.
- Stijn Defossez
- D07 - ROPES CABLES OTHER THAN ELECTRIC
Information Patent Application
Apparatus for providing secondary mine roof support
- Publication number 20040115010
- Publication date Jun 17, 2004
- Roy Lee Robertson
- E21 - EARTH DRILLING MINING
Information Patent Application
Method and apparatus for secondary roof support in an underground mine
- Publication number 20020028113
- Publication date Mar 7, 2002
- Roy Lee Robertson
- E21 - EARTH DRILLING MINING