Ronald W. Hartgrove

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Jewelry article having magnetic elements and interchangeable settings
- Patent number 7,201,021
- Issue date Apr 10, 2007
- Heart & Company
- Ronald W. Hartgrove
- A44 - HABERDASHERY JEWELLERY
Information Patent Grant
Jewelry article having interchangeable setting and capture module
- Patent number 7,143,607
- Issue date Dec 5, 2006
- Heart & Company
- Ronald W. Hartgrove
- A44 - HABERDASHERY JEWELLERY
Information Patent Grant
Jewelry article having magnetic elements and interchangeable settings
- Patent number 6,851,279
- Issue date Feb 8, 2005
- Heart & Company
- Ronald W. Hartgrove
- A44 - HABERDASHERY JEWELLERY
Information Patent Grant
Jewelry articles having magnetic elements and interchangeable settings
- Patent number 6,715,315
- Issue date Apr 6, 2004
- Heart & Company
- Ronald W. Hartgrove
- A44 - HABERDASHERY JEWELLERY
Information Patent Grant
Decorative articles with interchangeable modules
- Patent number 6,701,747
- Issue date Mar 9, 2004
- Heart & Company
- Ronald W. Hartgrove
- A44 - HABERDASHERY JEWELLERY

Patents Applicationslast 30 patents

Information Patent Application
Jewelry article having interchangeable setting and capture module
- Publication number 20050044891
- Publication date Mar 3, 2005
- Heart & Company
- Ronald W. Hartgrove
- A44 - HABERDASHERY JEWELLERY
Information Patent Application
Jewelry article having magnetic elements and interchangeable settings
- Publication number 20040079111
- Publication date Apr 29, 2004
- Heart & Company
- Ronald W. Hartgrove
- A44 - HABERDASHERY JEWELLERY
Information Patent Application
Jewelry article having magnetic elements and interchangeable settings
- Publication number 20040074259
- Publication date Apr 22, 2004
- Heart & Company
- Ronald W. Hartgrove
- A44 - HABERDASHERY JEWELLERY
Information Patent Application
JEWELRY ARTICLES HAVING MAGNETIC ELEMENTS AND INTERCHANGEABLE SETTINGS
- Publication number 20040055332
- Publication date Mar 25, 2004
- Ronald W. Hartgrove
- A44 - HABERDASHERY JEWELLERY
Information Patent Application
Decorative articles with interchangeable modules
- Publication number 20030074919
- Publication date Apr 24, 2003
- Ronald W. Hartgrove
- A44 - HABERDASHERY JEWELLERY