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Richard V. Carrano
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North Attleboro, MA, US
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Patent Grant
Gold alloy compositions formed by environmentally friendly process
Patent number
8,419,867
Issue date
Apr 16, 2013
Hallmark Sweet, Inc.
Dwarika P. Agarwal
A44 - HABERDASHERY JEWELLERY
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last 30 patents
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Patent Application
Gold alloy compositions formed by environmentally friendly process
Publication number
20090191089
Publication date
Jul 30, 2009
Dwarika P. Agarwal
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...