Waiman HO

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Hong Kong, HK

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Patents Grantslast 30 patents

Information Patent Grant
Portable rotating self-lock type quick dismantling lock catch device
- Patent number 9,872,544
- Issue date Jan 23, 2018
- TECHSPORT LTD
- Waiman Ho
- A44 - HABERDASHERY JEWELLERY

Patents Applicationslast 30 patents

Information Patent Application
PORTABLE ROTATING SELF-LOCK TYPE QUICK DISMANTLING LOCK CATCH DEVICE
- Publication number 20160316862
- Publication date Nov 3, 2016
- TECHSPORT LTD
- Waiman HO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE