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Metal working machine
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Patent number 5,170,689
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Issue date Dec 15, 1992
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Jim Dvorak
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2868288
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Patent number 2,868,288
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Issue date Jan 13, 1959
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A44 - HABERDASHERY JEWELLERY
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2437022
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Patent number 2,437,022
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Issue date Mar 2, 1948
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B26 - HAND CUTTING TOOLS CUTTING SEVERING
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2431869
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Patent number 2,431,869
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Issue date Dec 2, 1947
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2204519
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Patent number 2,204,519
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Issue date Jun 11, 1940
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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2077474
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Patent number 2,077,474
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Issue date Apr 20, 1937
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B28 - WORKING CEMENT, CLAY, OR STONE
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2001578
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Patent number 2,001,578
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Issue date May 14, 1935
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1987455
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Patent number 1,987,455
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Issue date Jan 8, 1935
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B28 - WORKING CEMENT, CLAY, OR STONE
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1981695
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Patent number 1,981,695
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Issue date Nov 20, 1934
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B28 - WORKING CEMENT, CLAY, OR STONE
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1736559
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Patent number 1,736,559
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Issue date Nov 19, 1929
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C14 - SKINS HIDES PELTS LEATHER
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1675563
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Patent number 1,675,563
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Issue date Jul 3, 1928
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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1640466
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Patent number 1,640,466
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Issue date Aug 30, 1927
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B26 - HAND CUTTING TOOLS CUTTING SEVERING
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1638526
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Patent number 1,638,526
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Issue date Aug 9, 1927
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1628616
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Patent number 1,628,616
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Issue date May 10, 1927
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1192616
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Patent number 1,192,616
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Issue date Jul 25, 1916
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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1185838
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Patent number 1,185,838
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Issue date Jun 6, 1916
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1091668
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Patent number 1,091,668
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Issue date Mar 31, 1914
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B28 - WORKING CEMENT, CLAY, OR STONE
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988976
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Patent number 988,976
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Issue date Apr 11, 1911
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B28 - WORKING CEMENT, CLAY, OR STONE
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968670
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Patent number 968,670
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Issue date Aug 30, 1910
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B28 - WORKING CEMENT, CLAY, OR STONE
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947212
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Patent number 947,212
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Issue date Jan 18, 1910
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B28 - WORKING CEMENT, CLAY, OR STONE
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926954
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Patent number 926,954
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Issue date Jul 6, 1909
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B28 - WORKING CEMENT, CLAY, OR STONE
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925348
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Patent number 925,348
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Issue date Jun 15, 1909
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B28 - WORKING CEMENT, CLAY, OR STONE
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861578
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Patent number 861,578
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Issue date Jul 30, 1907
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B28 - WORKING CEMENT, CLAY, OR STONE
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848552
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Patent number 848,552
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Issue date Mar 26, 1907
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B28 - WORKING CEMENT, CLAY, OR STONE
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825731
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Patent number 825,731
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Issue date Jul 10, 1906
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B28 - WORKING CEMENT, CLAY, OR STONE
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745628
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Patent number 745,628
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Issue date Dec 1, 1903
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B28 - WORKING CEMENT, CLAY, OR STONE
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723164
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Patent number 723,164
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Issue date Mar 17, 1903
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B28 - WORKING CEMENT, CLAY, OR STONE
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721841
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Patent number 721,841
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Issue date Mar 3, 1903
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...