Roni Shapira

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Ranana, IL

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Patents Grantslast 30 patents

Information Patent Grant
Centering apparatus for a gemstone
- Patent number 5,015,090
- Issue date May 14, 1991
- Ilan Weisman
- B24 - GRINDING POLISHING
Information Patent Grant
Dop for gemstone handling during manufacture
- Patent number 4,944,120
- Issue date Jul 31, 1990
- Ilan Weisman
- A44 - HABERDASHERY JEWELLERY