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3539135
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Patent number 3,539,135
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Issue date Nov 10, 1970
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1784254
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Patent number 1,784,254
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Issue date Dec 9, 1930
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1728639
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Patent number 1,728,639
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Issue date Sep 17, 1929
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1688988
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Patent number 1,688,988
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Issue date Oct 23, 1928
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1668739
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Patent number 1,668,739
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Issue date May 8, 1928
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1666940
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Patent number 1,666,940
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Issue date Apr 24, 1928
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1666951
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Patent number 1,666,951
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Issue date Apr 24, 1928
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1666745
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Patent number 1,666,745
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Issue date Apr 17, 1928
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1627397
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Patent number 1,627,397
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Issue date May 3, 1927
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1613376
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Patent number 1,613,376
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Issue date Jan 4, 1927
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1605881
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Patent number 1,605,881
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Issue date Nov 2, 1926
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1572693
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Patent number 1,572,693
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Issue date Feb 9, 1926
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1570197
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Patent number 1,570,197
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Issue date Jan 19, 1926
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1506880
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Patent number 1,506,880
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Issue date Sep 2, 1924
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1478808
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Patent number 1,478,808
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Issue date Dec 25, 1923
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1478694
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Patent number 1,478,694
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Issue date Dec 25, 1923
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1478814
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Patent number 1,478,814
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Issue date Dec 25, 1923
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1478720
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Patent number 1,478,720
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Issue date Dec 25, 1923
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1462982
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Patent number 1,462,982
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Issue date Jul 24, 1923
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1440572
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Patent number 1,440,572
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Issue date Jan 2, 1923
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1438721
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Patent number 1,438,721
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Issue date Dec 12, 1922
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1436681
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Patent number 1,436,681
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Issue date Nov 28, 1922
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1417257
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Patent number 1,417,257
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Issue date May 23, 1922
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...