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David Steinhauer
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North Easton, MA, US
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last 30 patents
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Patent Grant
Interchangeable ring
Patent number
6,490,886
Issue date
Dec 10, 2002
Goldman Kolber, Inc.
David Steinhauer
A44 - HABERDASHERY JEWELLERY
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Patent Grant
Clasp assembly
Patent number
6,112,373
Issue date
Sep 5, 2000
Goldman Kolber, Inc.
David Steinhauer
A44 - HABERDASHERY JEWELLERY