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Chain tool
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Patent number 11,458,529
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Issue date Oct 4, 2022
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Louis Chuang
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Shaved tooth plate
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Patent number 7,758,461
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Issue date Jul 20, 2010
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iwis motorsysteme GmbH & Co. KG
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Erwin Feld
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Silent chain
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Patent number 7,546,725
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Issue date Jun 16, 2009
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Tsubakimoto Chain Co.
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Kazuhiko Shimaya
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C21 - METALLURGY OF IRON
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Method of manufacturing a link plate
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Patent number 7,117,575
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Issue date Oct 10, 2006
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Tsubakimoto Chain Co.
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Toshifumi Satou
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Silent chain
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Patent number 6,068,568
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Issue date May 30, 2000
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Tsubakimoto Chain Co.
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Nobuto Kozakura
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Method of making stampato jewelry
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Patent number 5,655,300
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Issue date Aug 12, 1997
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G&C, Inc.
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Orfeo Gruppach
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Chain punch
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Patent number 4,635,437
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Issue date Jan 13, 1987
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Steele, II; R. W.
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Kenny R. Parton
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Chain punch
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Patent number 4,581,825
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Issue date Apr 15, 1986
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Steele, II; Robert W.
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Kenny R. Parton
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Bushing link chain
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Patent number 4,020,712
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Issue date May 3, 1977
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FMC Corporation
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John F. McKeon
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Method of making a bushing link chain
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Patent number 3,931,706
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Issue date Jan 13, 1976
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FMC Corporation
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John F. McKeon
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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3583153
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Patent number 3,583,153
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Issue date Jun 8, 1971
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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3581589
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Patent number 3,581,589
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Issue date Jun 1, 1971
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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3426522
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Patent number 3,426,522
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Issue date Feb 11, 1969
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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3410084
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Patent number 3,410,084
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Issue date Nov 12, 1968
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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3221490
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Patent number 3,221,490
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Issue date Dec 7, 1965
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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2968913
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Patent number 2,968,913
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Issue date Jan 24, 1961
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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2729935
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Patent number 2,729,935
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Issue date Jan 10, 1956
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1881631
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Patent number 1,881,631
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Issue date Oct 11, 1932
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1810724
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Patent number 1,810,724
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Issue date Jun 16, 1931
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1793099
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Patent number 1,793,099
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Issue date Feb 17, 1931
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...