Calvin Chou

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Taichung, TW

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Patents Grantslast 30 patents

Information Patent Grant
Easily assembled and disassembled connecting assembly
- Patent number 9,920,558
- Issue date Mar 20, 2018
- Calvin Chou
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Patents Applicationslast 30 patents

Information Patent Application
SANDER WITH ANGULAR ADJUSTABILITY
- Publication number 20240009800
- Publication date Jan 11, 2024
- THE KINGCRAFT MACHINERY COMPANY LIMITED
- Calvin CHOU
- B24 - GRINDING POLISHING