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1661984
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Patent number 1,661,984
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Issue date Mar 6, 1928
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1583749
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Patent number 1,583,749
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Issue date May 4, 1926
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1573522
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Patent number 1,573,522
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Issue date Feb 16, 1926
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1545241
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Patent number 1,545,241
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Issue date Jul 7, 1925
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1515421
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Patent number 1,515,421
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Issue date Nov 11, 1924
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1505548
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Patent number 1,505,548
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Issue date Aug 19, 1924
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1454295
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Patent number 1,454,295
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Issue date May 8, 1923
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1345188
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Patent number 1,345,188
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Issue date Jun 29, 1920
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1343045
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Patent number 1,343,045
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Issue date Jun 8, 1920
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1129995
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Patent number 1,129,995
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Issue date Mar 2, 1915
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1066869
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Patent number 1,066,869
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Issue date Jul 8, 1913
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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954612
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Patent number 954,612
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Issue date Apr 12, 1910
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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899285
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Patent number 899,285
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Issue date Sep 22, 1908
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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768524
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Patent number 768,524
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Issue date Aug 23, 1904
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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705340
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Patent number 705,340
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Issue date Jul 22, 1902
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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680455
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Patent number 680,455
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Issue date Aug 13, 1901
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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674659
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Patent number 674,659
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Issue date May 21, 1901
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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652781
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Patent number 652,781
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Issue date Jul 3, 1900
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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646567
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Patent number 646,567
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Issue date Apr 3, 1900
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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618710
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Patent number 618,710
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Issue date Jan 31, 1899
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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609055
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Patent number 609,055
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Issue date Aug 16, 1898
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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586612
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Patent number 586,612
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Issue date Jul 20, 1897
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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558743
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Patent number 558,743
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Issue date Apr 21, 1896
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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527541
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Patent number 527,541
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Issue date Oct 16, 1894
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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526977
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Patent number 526,977
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Issue date Oct 2, 1894
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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497875
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Patent number 497,875
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Issue date May 23, 1893
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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489042
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Patent number 489,042
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Issue date Jan 3, 1893
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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471704
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Patent number 471,704
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Issue date Mar 29, 1892
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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468908
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Patent number 468,908
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Issue date Feb 16, 1892
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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454205
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Patent number 454,205
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Issue date Jun 16, 1891
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...