Yen Hsing Enterprise Co., Ltd.

Follow

Organization

Taichung Hsien, TW

Organizations

Please log in for detailed analytics

Patents Grantslast 30 patents

Information Patent Grant
Ratchet screwdriver
- Patent number 6,393,949
- Issue date May 28, 2002
- Yen Hsing Enterprise Co., Ltd.
- Shih-Chi Ho
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS