Jason Chang

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Taichung City, TW

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Patents Grantslast 30 patents

Information Patent Grant
Driving portion of wrench
- Patent number 10,144,118
- Issue date Dec 4, 2018
- Jason Chang
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Multiple-function tool
- Patent number 10,046,444
- Issue date Aug 14, 2018
- Jason Chang
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Tool box
- Patent number 8,469,190
- Issue date Jun 25, 2013
- Primaplus Industrial Co., Ltd.
- Jason Chang
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Patents Applicationslast 30 patents

Information Patent Application
HAND TOOL
- Publication number 20180345464
- Publication date Dec 6, 2018
- Jason Chang
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
DRIVING PORTION OF WRENCH
- Publication number 20180141192
- Publication date May 24, 2018
- Jason Chang
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
MULTIPLE-FUNCTION TOOL
- Publication number 20180009091
- Publication date Jan 11, 2018
- Jason Chang
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
Wrench
- Publication number 20150375373
- Publication date Dec 31, 2015
- PRIMAPLUS INDUSTRIAL CO., LTD.
- Jason Chang
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS