Jean-Marie Welter

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Patents Grantslast 30 patents

Information Patent Grant
Method for recycling brass foundry waste
- Patent number 6,293,993
- Issue date Sep 25, 2001
- Trefimetaux
- Jean-Marie Welter
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Copper alloys capable of spinodal decomposition and a method of obt...
- Patent number 5,196,074
- Issue date Mar 23, 1993
- Trefimetaux
- Jean-Marie Welter
- B22 - CASTING POWDER METALLURGY