Grand Rainbow International Limited

Organization

Causeway Bay, HK

Organizations

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Patents Grantslast 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

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Patents Applicationslast 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

Grand Rainbow International Limited

Organization

Patents Grantslast 30 patents

Invisible setting and methods and tools for effecting same

Jewelry item, method of manufacturing a closure for jewelry item, f...

Invisible setting and methods and tools for effecting same

Closure for article, in particular for jewelry

Closure for article, in particular for jewelry

Invisible setting and methods and tools for effecting same

Closure for article, in particular for jewelry

Patents Applicationslast 30 patents

CLOSURE FOR ARTICLE, IN PARTICULAR FOR JEWELRY

INVISIBLE SETTING AND METHODS AND TOOLS FOR EFFECTING SAME

LOCKING MECHANISM FOR JEWELRY

INVISIBLE SETTING AND METHODS FOR EFFECTING SAME

INVISIBLE SETTING AND METHODS AND TOOLS FOR EFFECTING SAME

JEWELRY ITEM, METHOD OF MANUFACTURING A CLOSURE FOR JEWELRY ITEM, F...

CLOSURE FOR ARTICLE, IN PARTICULAR FOR JEWELRY

INVISIBLE SETTING AND METHODS AND TOOLS FOR EFFECTING SAME

CLOSURE FOR ARTICLE, IN PARTICULAR FOR JEWELRY

CLOSURE FOR ARTICLE, IN PARTICULAR FOR JEWELRY