Yeh-Hsing Enterprise Co., Ltd.

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Taichung Hsien, TW

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Patents Grantslast 30 patents

Information Patent Grant
Ratchet screwdriver with a quick retractable positioning joint
- Patent number 7,089,828
- Issue date Aug 15, 2006
- Yeh-Hsing Enterprise Co., Ltd.
- Shih-Chi Ho
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Handle of a hand tool
- Patent number D468618
- Issue date Jan 14, 2003
- Yeh-Hsing Enterprise Co., Ltd.
- Shih-Chi Ho
- D08 - Tools and hardware
Information Patent Grant
Ratchet screwdriver
- Patent number 6,435,061
- Issue date Aug 20, 2002
- Yeh-Hsing Enterprise Co., Ltd.
- Shih-Chi Ho
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Ratchet wrench
- Patent number 6,389,932
- Issue date May 21, 2002
- Yeh-Hsing Enterprise Co., Ltd.
- Shih-Chi Ho
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Ratchet screwdriver having a concealable ratchet shifter
- Patent number 6,240,810
- Issue date Jun 5, 2001
- Yeh-Hsing Enterprise Co., Ltd.
- Shih-Chi Ho
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS