Andrew E. Modzik Jr.

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Morgantown, WV, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for collecting and removing dust on a mining m...
- Patent number 5,253,925
- Issue date Oct 19, 1993
- Tamrock World Corporation, N.V.
- Andrew E. Modzik
- E21 - EARTH DRILLING MINING