HING NGAI COMPANY LIMITED

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Cheung Sha Wan, Kowloon, HK

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Patents Grantslast 30 patents

Information Patent Grant
Waterproof, washable plastic magnetic button and a method for manuf...
- Patent number 6,378,174
- Issue date Apr 30, 2002
- Hing Ngai Company Limited
- Sheung Chung Wong
- A41 - WEARING APPAREL
Information Patent Grant
Waterproof, washable plastic magnetic button and a method for manuf...
- Patent number 6,226,842
- Issue date May 8, 2001
- Hing Ngai Company Limited
- Sheung Chung Wong
- A41 - WEARING APPAREL

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
74536561
- Serial number 74536561
- Registration number 1974222
- Filing date Jun 13, 1994
- HING NGAI COMPANY LIMITED
- 6 - Common metals and their alloys