Stefano Grando

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Los Angeles, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Gem setting and method for assembling the same
- Patent number 5,339,655
- Issue date Aug 23, 1994
- Stefano Grando
- A44 - HABERDASHERY JEWELLERY
Information Patent Grant
Method of producing chain links and chain links produced therefrom
- Patent number 5,309,704
- Issue date May 10, 1994
- Stefano Grando
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...