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3418757
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Patent number 3,418,757
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Issue date Dec 31, 1968
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B24 - GRINDING POLISHING
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3319527
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Patent number 3,319,527
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Issue date May 16, 1967
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3127815
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Patent number 3,127,815
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Issue date Apr 7, 1964
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2970524
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Patent number 2,970,524
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Issue date Feb 7, 1961
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2944467
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Patent number 2,944,467
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Issue date Jul 12, 1960
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2860538
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Patent number 2,860,538
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Issue date Nov 18, 1958
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2620698
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Patent number 2,620,698
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Issue date Dec 9, 1952
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2456252
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Patent number 2,456,252
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Issue date Dec 14, 1948
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B24 - GRINDING POLISHING
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2374448
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Patent number 2,374,448
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Issue date Apr 24, 1945
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2368877
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Patent number 2,368,877
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Issue date Feb 6, 1945
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2265568
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Patent number 2,265,568
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Issue date Dec 9, 1941
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2242978
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Patent number 2,242,978
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Issue date May 20, 1941
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2204523
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Patent number 2,204,523
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Issue date Jun 11, 1940
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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2128625
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Patent number 2,128,625
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Issue date Aug 30, 1938
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1477179
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Patent number 1,477,179
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Issue date Dec 11, 1923
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1312276
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Patent number 1,312,276
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Issue date Aug 5, 1919
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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921982
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Patent number 921,982
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Issue date May 18, 1909
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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610677
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Patent number 610,677
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Issue date Sep 13, 1898
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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491521
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Patent number 491,521
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Issue date Feb 14, 1893
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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470245
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Patent number 470,245
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Issue date Mar 8, 1892
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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362082
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Patent number 362,082
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Issue date May 3, 1887
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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110951
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Patent number 110,951
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Issue date Jan 17, 1871
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR