Chao-Tung Shih

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Jhonghe City, TW

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Patents Grantslast 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 Applicationslast 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
Information Patent Application
Knife holder traverser of corner cutting device
- Publication number 20050072286
- Publication date Apr 7, 2005
- Chao-Tung Shih
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Application
SLIDEABLE HOLE PUNCH
- Publication number 20050066789
- Publication date Mar 31, 2005
- Chao-Tung Shih
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Application
Corner cutting structure
- Publication number 20050056129
- Publication date Mar 17, 2005
- Chao-Tung Shih
- B26 - HAND CUTTING TOOLS CUTTING SEVERING