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Mendek Rubin
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Brooklyn, NY, US
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last 30 patents
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Patent Grant
Slip-on connector for jewelry clasp and blank for clasp
Patent number
4,426,854
Issue date
Jan 24, 1984
Do-All Jewelry Mgf. Co., Inc.
Simon Geldwerth
A44 - HABERDASHERY JEWELLERY
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Patent Grant
Axial jewelry clasp
Patent number
4,170,809
Issue date
Oct 16, 1979
Do-All Jewelry Mfg. Co., Inc.
Simon Geldwerth
A44 - HABERDASHERY JEWELLERY