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3851564
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Patent number 3,851,564
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Issue date Dec 3, 1974
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3444782
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Patent number 3,444,782
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Issue date May 20, 1969
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H01 - BASIC ELECTRIC ELEMENTS
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3196748
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Patent number 3,196,748
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Issue date Jul 27, 1965
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G05 - CONTROLLING REGULATING
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3138065
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Patent number 3,138,065
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Issue date Jun 23, 1964
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B24 - GRINDING POLISHING
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3101649
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Patent number 3,101,649
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Issue date Aug 27, 1963
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3063346
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Patent number 3,063,346
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Issue date Nov 13, 1962
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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3037428
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Patent number 3,037,428
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Issue date Jun 5, 1962
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2547832
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Patent number 2,547,832
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Issue date Apr 3, 1951
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2511821
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Patent number 2,511,821
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Issue date Jun 13, 1950
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G05 - CONTROLLING REGULATING
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2495107
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Patent number 2,495,107
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Issue date Jan 17, 1950
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B24 - GRINDING POLISHING
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2472346
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Patent number 2,472,346
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Issue date Jun 7, 1949
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2405485
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Patent number 2,405,485
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Issue date Aug 6, 1946
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B24 - GRINDING POLISHING
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2392752
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Patent number 2,392,752
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Issue date Jan 8, 1946
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2290395
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Patent number 2,290,395
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Issue date Jul 21, 1942
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2218716
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Patent number 2,218,716
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Issue date Oct 22, 1940
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2177319
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Patent number 2,177,319
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Issue date Oct 24, 1939
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2176676
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Patent number 2,176,676
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Issue date Oct 17, 1939
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1890399
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Patent number 1,890,399
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Issue date Dec 6, 1932
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1769742
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Patent number 1,769,742
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Issue date Jul 1, 1930
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1745750
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Patent number 1,745,750
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Issue date Feb 4, 1930
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1618275
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Patent number 1,618,275
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Issue date Feb 22, 1927
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1513073
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Patent number 1,513,073
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Issue date Oct 28, 1924
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1449125
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Patent number 1,449,125
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Issue date Mar 20, 1923
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1429611
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Patent number 1,429,611
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Issue date Sep 19, 1922
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1427761
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Patent number 1,427,761
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Issue date Aug 29, 1922
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1376155
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Patent number 1,376,155
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Issue date Apr 26, 1921
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1346928
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Patent number 1,346,928
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Issue date Jul 20, 1920
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1316718
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Patent number 1,316,718
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Issue date Sep 23, 1919
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1274502
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Patent number 1,274,502
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Issue date Aug 6, 1918
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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1252763
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Patent number 1,252,763
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Issue date Jan 8, 1918
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR