Frederick K. Roehrig

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Columbus, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing atomized powdered metal or alloy
- Patent number 4,402,885
- Issue date Sep 6, 1983
- Owens-Corning Fiberglas Corporation
- Frederick K. Roehrig
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Metal atomization
- Patent number 4,401,609
- Issue date Aug 30, 1983
- Owens-Corning Fiberglas Corporation
- Dennis L. McGarry
- B22 - CASTING POWDER METALLURGY