David S. Sheldon

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Homewood, AL, US

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Patents Grantslast 30 patents

Information Patent Grant
Sand level sensing and distribution apparatus
- Patent number 6,302,158
- Issue date Oct 16, 2001
- Vulcan Engineering Company, Inc.
- David Samuel Sheldon
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Sand distribution apparatus for use in foundry operation
- Patent number 6,179,171
- Issue date Jan 30, 2001
- Vulcan Engineering Company
- Gregory L. Ferguson
- B22 - CASTING POWDER METALLURGY