Jean-Guy St-Hilaire

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St. Antoine, CA

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Patents Grantslast 30 patents

Information Patent Grant
Beneficiation of kish graphite
- Patent number 5,672,327
- Issue date Sep 30, 1997
- Indresco Canada, Inc.
- George W. Bennett
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Apparatus system for beneficiation of kish graphite
- Patent number 5,560,892
- Issue date Oct 1, 1996
- Indresco Inc.
- George W. Bennett
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Beneficiation of flake graphite
- Patent number 5,518,189
- Issue date May 21, 1996
- Harbison-Walker Refractories Company
- Tony Grondin
- C01 - INORGANIC CHEMISTRY