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Mark Robertson
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Atlantic Highlands, NJ, US
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Patents Grants
last 30 patents
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Patent Grant
Method and apparatus for assessing the integrity of a jewellery set...
Patent number
7,154,401
Issue date
Dec 26, 2006
Diamond Alert, LLC.
Mark Robertson
G01 - MEASURING TESTING
Information
Patent Grant
Jewellery setting
Patent number
6,928,834
Issue date
Aug 16, 2005
Diamon Alert, LLC
Mark Robertson
G08 - SIGNALLING
Patents Applications
last 30 patents
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Patent Application
Method and apparatus for assessing the integrity of a jewellery set...
Publication number
20050141588
Publication date
Jun 30, 2005
Mark Robertson
A44 - HABERDASHERY JEWELLERY
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Patent Application
Jewellery setting
Publication number
20040065114
Publication date
Apr 8, 2004
Mark Robertson
A44 - HABERDASHERY JEWELLERY