Claude Dumazeau

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Maubeuge, FR

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Patents Grantslast 30 patents

Information Patent Grant
Gas impermeable coating for a refractory article
- Patent number 5,094,692
- Issue date Mar 10, 1992
- Vesuvius Crucible Company
- Claude Dumazeau
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Stopper rod with an improved gas distribution
- Patent number 5,071,043
- Issue date Dec 10, 1991
- Vesuvius Crucible Company
- Claude Dumazeau
- B22 - CASTING POWDER METALLURGY