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Cheng Tien Int'l Corp.
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Taichung, TW
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Patents Grants
last 30 patents
Information
Patent Grant
Corner cutting structure
Patent number
7,104,173
Issue date
Sep 12, 2006
Cheng Tien Int'l Corp.
Chao-Tung Shih
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Slideable hole punch
Patent number
6,877,413
Issue date
Apr 12, 2005
Cheng Tien Int'l Corp.
Chao-Tung Shih
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Patents Applications
last 30 patents
Information
Patent Application
Adjustable punching device
Publication number
20070251438
Publication date
Nov 1, 2007
Cheng Tien Int'l Corp.
Chao-Tung Shih
B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information
Patent Application
Dual function apparatus for cutting and punching
Publication number
20060266191
Publication date
Nov 30, 2006
Cheng Tien Int'l Corp.
Chao-Tung Shih
B26 - HAND CUTTING TOOLS CUTTING SEVERING
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last 30 trademarks