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Hot forged tie plate for railroad
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Patent number 10,697,129
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Issue date Jun 30, 2020
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YANGTZE RAILROAD MATERIALS
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Patrick Young
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Hot forged tie plate for railroad
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Patent number 10,273,636
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Issue date Apr 30, 2019
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YANGTZE RAILROAD MATERIALS
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Patrick Young
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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2767456
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Patent number 2,767,456
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Issue date Oct 23, 1956
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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2051640
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Patent number 2,051,640
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Issue date Aug 18, 1936
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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2039090
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Patent number 2,039,090
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Issue date Apr 28, 1936
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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2020441
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Patent number 2,020,441
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Issue date Nov 12, 1935
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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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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1896653
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Patent number 1,896,653
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Issue date Feb 7, 1933
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1790951
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Patent number 1,790,951
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Issue date Feb 3, 1931
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1735776
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Patent number 1,735,776
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Issue date Nov 12, 1929
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1706370
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Patent number 1,706,370
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Issue date Mar 19, 1929
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1700775
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Patent number 1,700,775
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Issue date Feb 5, 1929
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1686537
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Patent number 1,686,537
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Issue date Oct 9, 1928
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1587553
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Patent number 1,587,553
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Issue date Jun 8, 1926
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1472867
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Patent number 1,472,867
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Issue date Nov 6, 1923
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1443160
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Patent number 1,443,160
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Issue date Jan 23, 1923
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1371288
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Patent number 1,371,288
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Issue date Mar 15, 1921
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...