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Causeway Bay, HK
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Patents Grants
last 30 patents
Information
Patent Grant
Invisible setting and methods and tools for effecting same
Patent number
10,238,190
Issue date
Mar 26, 2019
Grand Rainbow International Limited
Khanh Tan Huynh
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Jewelry item, method of manufacturing a closure for jewelry item, f...
Patent number
9,955,758
Issue date
May 1, 2018
Grand Rainbow International Limited
Khanh Tan Huynh
A44 - HABERDASHERY JEWELLERY
Information
Patent Grant
Invisible setting and methods and tools for effecting same
Patent number
9,801,434
Issue date
Oct 31, 2017
Grand Rainbow International Limited
Khanh Tan Huynh
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Closure for article, in particular for jewelry
Patent number
9,730,497
Issue date
Aug 15, 2017
Grand Rainbow International Limited
Khanh Tan Huynh
A44 - HABERDASHERY JEWELLERY
Information
Patent Grant
Closure for article, in particular for jewelry
Patent number
9,591,900
Issue date
Mar 14, 2017
Grand Rainbow International Limited
Khanh Tan Huynh
A44 - HABERDASHERY JEWELLERY
Information
Patent Grant
Invisible setting and methods and tools for effecting same
Patent number
9,402,450
Issue date
Aug 2, 2016
Grand Rainbow International Limited
Khanh Tan Huynh
A44 - HABERDASHERY JEWELLERY
Information
Patent Grant
Closure for article, in particular for jewelry
Patent number
8,881,550
Issue date
Nov 11, 2014
Grand Rainbow International Limited
Khanh Tan Huynh
A44 - HABERDASHERY JEWELLERY
Patents Applications
last 30 patents
Information
Patent Application
CLOSURE FOR ARTICLE, IN PARTICULAR FOR JEWELRY
Publication number
20180020787
Publication date
Jan 25, 2018
Grand Rainbow International Limited
Khanh Tan HUYNH
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
INVISIBLE SETTING AND METHODS AND TOOLS FOR EFFECTING SAME
Publication number
20160331089
Publication date
Nov 17, 2016
Grand Rainbow International Limited
Khanh Tan HUYNH
A44 - HABERDASHERY JEWELLERY
Information
Patent Application
LOCKING MECHANISM FOR JEWELRY
Publication number
20160270490
Publication date
Sep 22, 2016
GRAND RAINBOW INTERNATIONAL LIMITED
Khanh Tan HUYNH
A44 - HABERDASHERY JEWELLERY
Information
Patent Application
INVISIBLE SETTING AND METHODS FOR EFFECTING SAME
Publication number
20160270494
Publication date
Sep 22, 2016
GRAND RAINBOW INTERNATIONAL LIMITED
Khanh Tan HUYNH
A44 - HABERDASHERY JEWELLERY
Information
Patent Application
INVISIBLE SETTING AND METHODS AND TOOLS FOR EFFECTING SAME
Publication number
20150121959
Publication date
May 7, 2015
Grand Rainbow International Limited a corporation
Khanh Tan Huynh
A44 - HABERDASHERY JEWELLERY
Information
Patent Application
JEWELRY ITEM, METHOD OF MANUFACTURING A CLOSURE FOR JEWELRY ITEM, F...
Publication number
20150075219
Publication date
Mar 19, 2015
Grand Rainbow International Limited
Khanh Tan HUYNH
A44 - HABERDASHERY JEWELLERY
Information
Patent Application
CLOSURE FOR ARTICLE, IN PARTICULAR FOR JEWELRY
Publication number
20150027167
Publication date
Jan 29, 2015
Grand Rainbow International Limited
Khanh Tan HUYNH
A44 - HABERDASHERY JEWELLERY
Information
Patent Application
INVISIBLE SETTING AND METHODS AND TOOLS FOR EFFECTING SAME
Publication number
20130291587
Publication date
Nov 7, 2013
Grand Rainbow International Limited
Khanh Tan HUYNH
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
CLOSURE FOR ARTICLE, IN PARTICULAR FOR JEWELRY
Publication number
20130276478
Publication date
Oct 24, 2013
Grand Rainbow International Limited
Khanh Tan HUYNH
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
CLOSURE FOR ARTICLE, IN PARTICULAR FOR JEWELRY
Publication number
20130276477
Publication date
Oct 24, 2013
Grand Rainbow International Limited
Khanh Tan HUYNH
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Trademark
last 30 trademarks