US Patent 7398658 Gemstone marking system and method
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Patent Inventor Names
David Benderly0
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Patent abstract
Diamonds are marked by applying apertured stencils bearing identifying indicia to the girdles, applying a fusible coating material over the apertured stencils, and then heating the coating material to fuse the material on the girdles. The stencils can be eliminated, and the indicia can be formed by directing a source of radiant energy at the coating material, and by moving the source and/or the girdle relative to each other.
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US Patent 07398658 Gemstone marking system and method US Patent 7398658 Gemstone marking system and method
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Patent Number
07398658
Patent Number
7398658
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US Patent 07398658 Gemstone marking system and method
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Is a
Patent jurisdiction
Patent number
07398658
Date of patent
July 15, 2008
Patent application number
10758502
Date Filed
January 15, 2004
Patent primary examiner
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