Robert M. Klawonn

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Charlotte, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of direct iron-making / steel-making via gas or coal-based d...
- Patent number 6,648,942
- Issue date Nov 18, 2003
- Midrex International B.V. Rotterdam, Zurich Branch
- Glenn E. Hoffman
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
Method of direct iron-making / steel-making via gas or coal-based d...
- Publication number 20030097908
- Publication date May 29, 2003
- Glenn E. Hoffman
- C21 - METALLURGY OF IRON