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3859812
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Patent number 3,859,812
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Issue date Jan 14, 1975
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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3664412
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Patent number 3,664,412
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Issue date May 23, 1972
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3046710
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Patent number 3,046,710
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Issue date Jul 31, 1962
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3012455
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Patent number 3,012,455
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Issue date Dec 12, 1961
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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2992017
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Patent number 2,992,017
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Issue date Jul 11, 1961
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2957392
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Patent number 2,957,392
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Issue date Oct 25, 1960
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2946244
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Patent number 2,946,244
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Issue date Jul 26, 1960
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2946344
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Patent number 2,946,344
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Issue date Jul 26, 1960
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G05 - CONTROLLING REGULATING
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2937437
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Patent number 2,937,437
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Issue date May 24, 1960
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2905064
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Patent number 2,905,064
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Issue date Sep 22, 1959
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2878693
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Patent number 2,878,693
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Issue date Mar 24, 1959
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2847880
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Patent number 2,847,880
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Issue date Aug 19, 1958
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2723405
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Patent number 2,723,405
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Issue date Nov 15, 1955
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2693835
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Patent number 2,693,835
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Issue date Nov 9, 1954
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B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
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2683303
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Patent number 2,683,303
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Issue date Jul 13, 1954
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2670528
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Patent number 2,670,528
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Issue date Mar 2, 1954
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2635399
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Patent number 2,635,399
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Issue date Apr 21, 1953
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2606747
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Patent number 2,606,747
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Issue date Aug 12, 1952
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2600453
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Patent number 2,600,453
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Issue date Jun 17, 1952
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2550645
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Patent number 2,550,645
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Issue date Apr 24, 1951
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR