Robert S. Gulibon

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Stahlstown, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Single-pass notching and drilling tool and method of drilling a bla...
- Patent number 4,549,615
- Issue date Oct 29, 1985
- Kennametal Inc.
- Dah-Ben Liang
- E21 - EARTH DRILLING MINING