Working a natural or synthetic hard stone such as a gemstone

Assignee

• Gersan Establishment

Inventors

• David William Beal (1 patents)
• Peter Armstrong Aked (1 patents)
• David A. Homer (4 patents)
• Timothy James Osgood (2 patents)
• Eric Jozef Gentil Blondeel (1 patents)
• Ewan Croucher (2 patents)

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