Donald L. Bierstine

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Newton, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
Hybrid induction skull melting
- Patent number 6,214,286
- Issue date Apr 10, 2001
- Howmet Research Corporation
- Donald E. Larsen
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Ultra low sulfur superalloy castings and method of making
- Patent number 5,922,148
- Issue date Jul 13, 1999
- Howmet Research Corporation
- Jeffrey D. Irvine
- C21 - METALLURGY OF IRON