Yang-Ming Weng

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Chang Hua Hsien, TW

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Patents Grantslast 30 patents

Information Patent Grant
Stamping and die-cutting tool with a quick mould change design
- Patent number 7,219,432
- Issue date May 22, 2007
- Yang-Ming Weng
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

Information Patent Application
Stamping and die-cutting tool with a quick mould change design
- Publication number 20060230811
- Publication date Oct 19, 2006
- Yang-Ming Weng
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Application
Stamping and die-cutting tool with a quick mould change design
- Publication number 20050257658
- Publication date Nov 24, 2005
- Yang-Ming Weng
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Application
Punching device with replaceable punching die background of the inv...
- Publication number 20050051017
- Publication date Mar 10, 2005
- Yang-Ming Weng
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Application
Lever-operated paper punch
- Publication number 20050039590
- Publication date Feb 24, 2005
- Yang-Ming Weng
- B26 - HAND CUTTING TOOLS CUTTING SEVERING