Randall D. Peterson

Follow

Person

Sandy, UT, US

People

Patents Grantslast 30 patents

Information Patent Grant
Softwall mining method and device
- Patent number 6,505,892
- Issue date Jan 14, 2003
- Joseph Chryst Walker
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Softwall mining method and device
- Patent number 6,086,159
- Issue date Jul 11, 2000
- IMC-Agrico MP, Inc.
- Randall D. Peterson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Surface-assisted continuous underground mine conveyor
- Patent number 5,997,101
- Issue date Dec 7, 1999
- Randall D. Peterson
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL