John W. Mrozek

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New Castle, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Mobile hot metal mixer
- Patent number 4,135,703
- Issue date Jan 23, 1979
- Pennsylvania Engineering Corporation
- Rashed N. Nagati
- C21 - METALLURGY OF IRON
Information Patent Grant
Bottom handling apparatus for steel converter vessels
- Patent number 3,944,083
- Issue date Mar 16, 1976
- Pennsylvania Engineering Corporation
- Howard M. Fisher
- C21 - METALLURGY OF IRON