Jian-Feng LI

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Taichung City, TW

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Patents Grantslast 30 patents

Information Patent Grant
Wrench structure
- Patent number 11,103,982
- Issue date Aug 31, 2021
- Hong-Jen Li
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Patents Applicationslast 30 patents

Information Patent Application
Wrench Structure
- Publication number 20210046622
- Publication date Feb 18, 2021
- Hong-Jen Li
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
Tool Box
- Publication number 20210047870
- Publication date Feb 18, 2021
- Hong-Jen Li
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
METHOD FOR LOCALLY FORMING SMOOTH SURFACE ON FROSTED GLASS
- Publication number 20130236645
- Publication date Sep 12, 2013
- LIEFCO OPTICAL LTD.
- Chin-Lung CHANG
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...