Edmund Dorsey

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Cranston, RI, US

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Patents Grantslast 30 patents

Information Patent Grant
Jewelry clutch
- Patent number 4,543,695
- Issue date Oct 1, 1985
- Edmund Dorsey
- A44 - HABERDASHERY JEWELLERY
Information Patent Grant
Clutch using partial vacuum to resist separation
- Patent number 4,404,713
- Issue date Sep 20, 1983
- Edmund Dorsey
- A44 - HABERDASHERY JEWELLERY