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Sand mulling machine plow
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Patent number 4,192,615
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Issue date Mar 11, 1980
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Fargo Machine & Tool Company
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Anthony C. Fortunski
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B22 - CASTING POWDER METALLURGY
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3666243
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Patent number 3,666,243
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Issue date May 30, 1972
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B22 - CASTING POWDER METALLURGY
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3635447
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Patent number 3,635,447
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B22 - CASTING POWDER METALLURGY
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3602442
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Patent number 3,602,442
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Issue date Aug 31, 1971
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B22 - CASTING POWDER METALLURGY
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3454232
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Patent number 3,454,232
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Issue date Jul 8, 1969
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B22 - CASTING POWDER METALLURGY
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3387829
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Patent number 3,387,829
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Issue date Jun 11, 1968
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B22 - CASTING POWDER METALLURGY
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3380668
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Patent number 3,380,668
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Issue date Apr 30, 1968
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B22 - CASTING POWDER METALLURGY
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3322404
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Patent number 3,322,404
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Issue date May 30, 1967
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B22 - CASTING POWDER METALLURGY
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3256573
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Patent number 3,256,573
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Issue date Jun 21, 1966
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B22 - CASTING POWDER METALLURGY
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3248760
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Patent number 3,248,760
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Issue date May 3, 1966
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B22 - CASTING POWDER METALLURGY
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3248761
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Patent number 3,248,761
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Issue date May 3, 1966
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B22 - CASTING POWDER METALLURGY
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3231146
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Patent number 3,231,146
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B22 - CASTING POWDER METALLURGY
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3194543
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Patent number 3,194,543
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B22 - CASTING POWDER METALLURGY
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3136490
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B22 - CASTING POWDER METALLURGY
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2998935
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B22 - CASTING POWDER METALLURGY
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2978147
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Patent number 2,978,147
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B22 - CASTING POWDER METALLURGY
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2760244
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B22 - CASTING POWDER METALLURGY
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2727696
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Patent number 2,727,696
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B22 - CASTING POWDER METALLURGY
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2641387
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B22 - CASTING POWDER METALLURGY
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2626758
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Patent number 2,626,758
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B22 - CASTING POWDER METALLURGY
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2576180
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Patent number 2,576,180
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B22 - CASTING POWDER METALLURGY
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2570223
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Patent number 2,570,223
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B22 - CASTING POWDER METALLURGY
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2463556
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Patent number 2,463,556
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B22 - CASTING POWDER METALLURGY
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2461176
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Patent number 2,461,176
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Issue date Feb 8, 1949
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B22 - CASTING POWDER METALLURGY
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2457587
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Patent number 2,457,587
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Issue date Dec 28, 1948
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B22 - CASTING POWDER METALLURGY
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2450299
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Patent number 2,450,299
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Issue date Sep 28, 1948
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B22 - CASTING POWDER METALLURGY
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2413603
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Patent number 2,413,603
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Issue date Dec 31, 1946
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B22 - CASTING POWDER METALLURGY
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2377307
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Patent number 2,377,307
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Issue date Jun 5, 1945
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B22 - CASTING POWDER METALLURGY