Stephen P. Moore

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Sandy Lake, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Miner cutting bit holding apparatus
- Patent number 5,011,229
- Issue date Apr 30, 1991
- Joy Technologies Inc.
- Michael L. O'Neill
- E21 - EARTH DRILLING MINING
Information Patent Grant
Miner cutting bit holding apparatus
- Patent number 4,915,455
- Issue date Apr 10, 1990
- Joy Technologies Inc.
- Michael L. O'Neill
- E21 - EARTH DRILLING MINING