Yung Jen Lee

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Taichung, TW

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Patents Grantslast 30 patents

Information Patent Grant
Clamping device having indirect driving mechanism
- Patent number 6,648,315
- Issue date Nov 18, 2003
- Yung Jen Lee
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Plier device having an easily assembling structure
- Patent number 6,336,387
- Issue date Jan 8, 2002
- Yung Jen Lee
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Plier device having an adjustable opening
- Patent number 6,336,386
- Issue date Jan 8, 2002
- Yung Jen Lee
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Wrench having a light device
- Patent number 6,334,693
- Issue date Jan 1, 2002
- Yung Jen Lee
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Patents Applicationslast 30 patents

Information Patent Application
Knife having removable blade
- Publication number 20050278955
- Publication date Dec 22, 2005
- Test Rite Products Corporation
- Yung Jen Lee
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Application
Tool retaining device having stably retaining structure
- Publication number 20030213760
- Publication date Nov 20, 2003
- Yung Jen Lee
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS