David L. Schroeder

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Sewickley, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method to protect the anode bottoms in batch DC electric arc furnac...
- Patent number 6,693,947
- Issue date Feb 17, 2004
- D. L. Schroeder & Associates
- David L. Schroeder
- C21 - METALLURGY OF IRON