Clifford R. Whiddon

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Lower Burrell, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Ingot mold and method for pouring ingots
- Patent number 4,054,170
- Issue date Oct 18, 1977
- Allegheny Ludlum Industries, Inc.
- Dwight A. Kraai
- B22 - CASTING POWDER METALLURGY