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Calvin Chou
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Taichung, TW
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last 30 patents
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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 Applications
last 30 patents
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Patent Application
OSCILLATING SANDING MACHINE
Publication number
20250162098
Publication date
May 22, 2025
THE KINGCRAFT MACHINERY COMPANY LIMITED
Calvin CHOU
B24 - GRINDING POLISHING
Information
Patent Application
ADJUSTABLE DISC SANDER
Publication number
20250162099
Publication date
May 22, 2025
THE KINGCRAFT MACHINERY COMPANY LIMITED
Calvin CHOU
B24 - GRINDING POLISHING
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Patent Application
HAND-PRESS PLANER
Publication number
20250100178
Publication date
Mar 27, 2025
THE KINGCRAFT MACHINERY COMPANY LIMITED
Calvin CHOU
B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information
Patent Application
TOOL REST POSITIONING DEVICE FOR WOOD LATHE
Publication number
20240351235
Publication date
Oct 24, 2024
THE KINGCRAFT MACHINERY COMPANY LIMITED
Calvin CHOU
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Patent Application
SANDER WITH ANGULAR ADJUSTABILITY
Publication number
20240009800
Publication date
Jan 11, 2024
THE KINGCRAFT MACHINERY COMPANY LIMITED
Calvin CHOU
B24 - GRINDING POLISHING