Donald E. McCarthy

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Littleton, CO, US

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Patents Grantslast 30 patents

Information Patent Grant
Method apparatus and cartridge for non-explosive rock fragmentation
- Patent number 5,803,551
- Issue date Sep 8, 1998
- First National Corporation
- Donald E. McCarthy
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method apparatus and cartridge for non-explosive rock fragmentation
- Patent number 5,611,605
- Issue date Mar 18, 1997
- Donald E. McCarthy
- E21 - EARTH DRILLING MINING