Tarnish resistant and age hardenable sterling silver alloy

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12180574
SERIAL NO

18791611

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Abstract

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A sterling silver alloy composition consisting of in parts by weight:

    at least 92.5% silver,0.5%-1.2% palladium,3.4%-4.8% copper,0.5%-1.5% zinc,0.1%-1.5% indium,wherein zinc and indium combined content is not greater than 2.4%,0.3%-1% germanium,and0.005%-0.05% silicon.

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Patent Owner(s)

Patent OwnerAddress
NATIONAL CHAIN COMPANY55 ACCESS ROAD WARWICK RI 02886
ENEWTON DESIGN LLC4597 WIEUCA ROAD NE ATLANTA GA 30342

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Esposito, Joseph Wakefield, US 17 277
Raykhtsaum, Grigory Sharon, US 18 55

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