Chevy Chase, MD, US
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Patent Grant
The United States of America, as represented by the Secretary of the Interior
Arthur N. Thorpe
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Patent Grant
The United States of America as represented by the Secretary of the Interior
Keith M. Patton
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
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Patent Grant
The United States of America as represented by the Secretary of the Interior
Frederick D. Sisler
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
