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Portable tube bender
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Patent number 10,189,069
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Issue date Jan 29, 2019
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Yung Chi Industry Co., Ltd.
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Wu-Sheng Huang
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Rotary pipe sizing tool
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Patent number 10,179,358
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Issue date Jan 15, 2019
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Yung Chi Industry Co., Ltd.
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Wu-Sheng Huang
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Tube flaring tool
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Patent number 10,130,986
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Issue date Nov 20, 2018
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Yung Chi Industry Co., Ltd.
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Wu-Sheng Huang
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Tube jig device
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Patent number 9,981,301
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Issue date May 29, 2018
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Yung Chi Industry Co., Ltd.
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Wu-Sheng Huang
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Pipe expanding device
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Patent number 9,694,410
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Issue date Jul 4, 2017
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Yung Chi Industry Co., Ltd.
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Wu-Sheng Huang
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Pipe bender
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Patent number 9,433,988
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Issue date Sep 6, 2016
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Yung Chi Industry Co., Ltd.
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Wu-Sheng Huang
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Portable pipe cutter
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Patent number 8,573,099
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Issue date Nov 5, 2013
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Wu Sheng Huang
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Rubber strap wrench
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Patent number D474661
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Issue date May 20, 2003
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Wu Sheng Huang
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D08 - Tools and hardware
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Strap wrench
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Patent number D465391
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Issue date Nov 12, 2002
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Wu Sheng Huang
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D08 - Tools and hardware
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Pipe cutter
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Patent number D431765
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Issue date Oct 10, 2000
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Wu Sheng Huang
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D08 - Tools and hardware
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Pipe cutter
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Patent number D399399
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Issue date Oct 13, 1998
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Wu Sheng Huang
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D08 - Tools and hardware