Barry S. Andrews

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Victoria, AU

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing metals and metal alloys in a smelt reduction...
- Patent number 5,647,888
- Issue date Jul 15, 1997
- CRA Services Limited
- John Vincent Keogh
- C21 - METALLURGY OF IRON
Information Patent Grant
Process for producing metals and metal alloys in a smelt reduction...
- Patent number 5,489,325
- Issue date Feb 6, 1996
- CRA Services Ltd.
- John V. Keogh
- C21 - METALLURGY OF IRON
Information Patent Grant
Zinc smelting process using oxidation zone and reduction zone
- Patent number 4,741,770
- Issue date May 3, 1988
- CRA Services Limited
- Barry S. Andrews
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...