Richard S. Holland

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Roanoke, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Fluid distributor for a debris flushing system in a percussive, flu...
- Patent number 5,402,854
- Issue date Apr 4, 1995
- Ingersoll-Rand Company
- Robert R. Kimberlin
- E21 - EARTH DRILLING MINING