Monica S. Cummins

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Gillette, WY, US

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Patents Grantslast 30 patents

Information Patent Grant
Overburden removal method with blast casting and excavating apparatus
- Patent number 5,413,047
- Issue date May 9, 1995
- Atlantic Richfield Company
- Randall N. Evans
- E21 - EARTH DRILLING MINING
Information Patent Grant
Earth excavation using blast casting and excavating apparatus
- Patent number 5,194,689
- Issue date Mar 16, 1993
- Atlantic Richfield Company
- Monica S. Cummins
- E21 - EARTH DRILLING MINING