Yi Chuan Tseng

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Taichung Hsien, TW

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Patents Grantslast 30 patents

Information Patent Grant
Utility knife with dual blades
- Patent number 7,185,435
- Issue date Mar 6, 2007
- AWI Acquisition Company
- Yi Chuan Tseng
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Increased torque applying pliers
- Patent number 6,789,452
- Issue date Sep 14, 2004
- AWI Acquisition Company
- Yi Chuan Tseng
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Versatile use pliers
- Patent number 6,786,117
- Issue date Sep 7, 2004
- AWI Acquisition Company
- Yi Chuan Tseng
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Collapsible pliers
- Patent number 6,725,748
- Issue date Apr 27, 2004
- AWI Acquisition Company
- Yi Chuan Tseng
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Pliers with replaceable jaws
- Patent number 6,647,835
- Issue date Nov 18, 2003
- AWI Acquisition Company
- Yi Chuan Tseng
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Reversible ratchet wrench
- Patent number 6,575,060
- Issue date Jun 10, 2003
- AWI Acquisition Company
- Yi Chuan Tseng
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS