Jason Chang

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Taichung, TW

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Patents Grantslast 30 patents

Information Patent Grant
Leveling device for planar objects
- Patent number 10,392,816
- Issue date Aug 27, 2019
- Jason Chang
- E04 - BUILDING
Information Patent Grant
Leveling spacer system for panel members
- Patent number 9,322,186
- Issue date Apr 26, 2016
- Jason Chang
- E04 - BUILDING

Patents Applicationslast 30 patents

Information Patent Application
LEVELING DEVICE FOR PLANAR OBJECTS
- Publication number 20190100926
- Publication date Apr 4, 2019
- Jason Chang
- E04 - BUILDING
Information Patent Application
GROUT FLOA
- Publication number 20180148938
- Publication date May 31, 2018
- Jason Chang
- E04 - BUILDING