Walter H. Carlson

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Aurora, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
High temperature molds and composition for same
- Patent number 4,658,886
- Issue date Apr 21, 1987
- Graphite Sales, Inc.
- Walter H. Carlson
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and material for plugging an ingot mold
- Patent number 4,619,950
- Issue date Oct 28, 1986
- Graphite Sales, Inc.
- Walter H. Carlson
- C21 - METALLURGY OF IRON
Information Patent Grant
Production of silicon carbide
- Patent number 4,536,379
- Issue date Aug 20, 1985
- Graphite Sales, Inc.
- Walter H. Carlson
- C30 - CRYSTAL GROWTH