CHIEH HUANG CHANG

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Taichung City, TW

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Patents Applicationslast 30 patents

Information Patent Application
CENTRIFUGAL FILTER
- Publication number 20190060917
- Publication date Feb 28, 2019
- LIS AUTOMATIC CONTROLLED CO., LTD.
- Chieh-Ming CHANG
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
PORTABLE LASER MARKING APPARATUS
- Publication number 20170291257
- Publication date Oct 12, 2017
- SOONMARK CO., LTD.
- CHIEH HUANG CHANG
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Leather-marking method and its device
- Publication number 20100263412
- Publication date Oct 21, 2010
- CHIEH HUANG CHANG
- C14 - SKINS HIDES PELTS LEATHER