Ray H. Shaw

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Willowick, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Bit seat protector device for drilling systems or the like
- Patent number 4,745,983
- Issue date May 24, 1988
- Sandvik Rock Tools, Inc.
- John L. Moorehead
- E21 - EARTH DRILLING MINING
Information Patent Grant
Retainer device for drill bit
- Patent number 4,712,626
- Issue date Dec 15, 1987
- Mining Tools, Inc. Div. of Smith California
- Ray H. Shaw
- E21 - EARTH DRILLING MINING
Information Patent Grant
Retainer device for auger, roof and the like type bits
- Patent number 4,480,874
- Issue date Nov 6, 1984
- Ray H. Shaw
- E21 - EARTH DRILLING MINING