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| Number | Title | Issue Date |
| 6659617 | Illuminated jewelery An article of jewelery (10; 110) for generating an attractive composite optical effect, is described. The article (10; 110) comprises a compound jewel (12; 112), such as a "Precious Jewel set within a Silver Sea", having a first and a second portion (14, ... | 12/09/2003 |
| 6433483 | Jewellery illumination An article of jewelry arranged to simulate natural optical effects, such as sparkle and scintillation, is described. The article comprises a jewel, such as a brilliant cut diamond and one or more light sources, such as colored LEDs, incorporated in the ar... | 08/13/2002 |
