David H. Ro

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Cleveland Heights, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Corrosion-resistant powder-metallurgy stainless steel powders and c...
- Patent number 4,350,529
- Issue date Sep 21, 1982
- SCM Corporation
- David H. Ro
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Corrosion-resistant stainless steel powder and compacts made therefrom
- Patent number 4,331,478
- Issue date May 25, 1982
- SCM Corporation
- David H. Ro
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Maximizing the corrosion resistance of tin containing stainless ste...
- Patent number 4,314,849
- Issue date Feb 9, 1982
- SCM Corporation
- David H. Ro
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Corrosion-resistant powder-metallurgy stainless steel powders and c...
- Patent number 4,240,831
- Issue date Dec 23, 1980
- SCM Corporation
- David H. Ro
- B22 - CASTING POWDER METALLURGY