Jean P. Chevalier-Bultel

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Sherbrooke, CA

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Patents Grantslast 30 patents

Information Patent Grant
Foundry sands derived from serpentine and foundry molds derived the...
- Patent number 4,604,140
- Issue date Aug 5, 1986
- Societe Nationale de l'Amiante
- Jean M. Lalancette
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Calcined serpentine useful as sandblasting agent
- Patent number 4,519,811
- Issue date May 28, 1985
- Societe Nationale de l'Amiante
- Jean M. Lalancette
- B24 - GRINDING POLISHING