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Peter N. Haugen
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Boulder, CO, US
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last 30 patents
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Patent Grant
Portable gold recovery apparatus and method for using same
Patent number
4,426,251
Issue date
Jan 17, 1984
Storage Technology Corporation
Noble Ida
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...