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Hand held classifying device
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Patent number 6,095,342
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Issue date Aug 1, 2000
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Clarence W. Ashcraft
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Three media silver recovery apparatus
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Patent number 6,096,209
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Issue date Aug 1, 2000
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AWS Industries, L.L.C.
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Robert O'Brien
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Silver reclamation system
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Patent number 6,042,775
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Issue date Mar 28, 2000
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TM Industrial Supply, Inc.
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Carl A. Steiner
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Precious metal recovery system
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Patent number 4,913,407
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Issue date Apr 3, 1990
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International Mineral Resources, Inc.
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Barton King
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Gravity flow amalgamator
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Patent number 4,588,499
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Issue date May 13, 1986
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Earnest Z. Coker
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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3840217
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Patent number 3,840,217
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Issue date Oct 8, 1974
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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2608299
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Patent number 2,608,299
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Issue date Aug 26, 1952
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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2362706
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Patent number 2,362,706
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Issue date Nov 14, 1944
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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2284105
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Patent number 2,284,105
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Issue date May 26, 1942
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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2166167
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Patent number 2,166,167
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Issue date Jul 18, 1939
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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2115726
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Patent number 2,115,726
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Issue date May 3, 1938
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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2100262
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Patent number 2,100,262
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Issue date Nov 23, 1937
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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2043115
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Patent number 2,043,115
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Issue date Jun 2, 1936
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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1988500
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Patent number 1,988,500
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Issue date Jan 22, 1935
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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1983701
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Patent number 1,983,701
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Issue date Dec 11, 1934
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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1894159
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Patent number 1,894,159
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Issue date Jan 10, 1933
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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1774686
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Patent number 1,774,686
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Issue date Sep 2, 1930
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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1457635
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Patent number 1,457,635
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Issue date Jun 5, 1923
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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1329113
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Patent number 1,329,113
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Issue date Jan 27, 1920
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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1037195
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Patent number 1,037,195
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Issue date Sep 3, 1912
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...