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Lester J. Szabo
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Charlottetown, CA
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last 30 patents
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Patent Grant
Two-stage fluid bed reduction of manganese nodules
Patent number
4,044,094
Issue date
Aug 23, 1977
Kennecott Copper Corporation
Herbert E. Barner
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Use of raw manganese nodules for oxidation leaching of reductively...
Patent number
4,020,143
Issue date
Apr 26, 1977
Kennecott Copper Corporation
Robert E. Lueders
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Metal carbonate recycle to reduction circuit in the cuprion process
Patent number
4,018,866
Issue date
Apr 19, 1977
Kennecott Copper Corporation
Lester J. Szabo
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Recovery of metal values from manganese deep sea nodules using ammo...
Patent number
3,983,017
Issue date
Sep 28, 1976
Kennecott Copper Corporation
Lester J. Szabo
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...