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3499521
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Patent number 3,499,521
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Issue date Mar 10, 1970
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B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
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3469535
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Patent number 3,469,535
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Issue date Sep 30, 1969
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B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
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3261464
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Patent number 3,261,464
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Issue date Jul 19, 1966
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B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
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3199688
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Patent number 3,199,688
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Issue date Aug 10, 1965
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B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
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3184061
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Patent number 3,184,061
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Issue date May 18, 1965
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B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
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3129824
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Patent number 3,129,824
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Issue date Apr 21, 1964
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B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
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3107001
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Patent number 3,107,001
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Issue date Oct 15, 1963
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B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
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3055480
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Patent number 3,055,480
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Issue date Sep 25, 1962
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B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
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2804965
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Patent number 2,804,965
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Issue date Sep 3, 1957
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B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
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2279152
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Patent number 2,279,152
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Issue date Apr 7, 1942
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B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
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2020925
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Patent number 2,020,925
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Issue date Nov 12, 1935
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B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
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1482834
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Patent number 1,482,834
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Issue date Feb 5, 1924
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B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
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1482311
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Patent number 1,482,311
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Issue date Jan 29, 1924
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B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
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1453125
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Patent number 1,453,125
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Issue date Apr 24, 1923
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B07 - SEPARATING SOLIDS FROM SOLIDS SORTING