Tadeusz P. Siekierski

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Concord, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Threadless jewelry connector assembly
- Patent number 6,470,709
- Issue date Oct 29, 2002
- Neometal, Inc.
- Tadeusz P. Siekierski
- A44 - HABERDASHERY JEWELLERY
Information Patent Grant
Threadless jewelry connector assembly
- Patent number 6,167,725
- Issue date Jan 2, 2001
- Neometal, Inc.
- Tadeusz P. Siekierski
- A44 - HABERDASHERY JEWELLERY