ADAMAS GEMOLOGICAL LABORATORY publishes gemologically oriented software for the jewelry appraiser, jeweler, or student in gemology or mineralogy. The laboratory also provides technical consulting and jewelry appraisal services to the trade and the public and expert witness services to the legal profession.

 

SELECTED PATENTS FROM THE IBM PATENT SERVER

RELATED TO DIAMONDS AND GEMSTONES

New Links To USPTO.GOV

 GE Cleaning Patent 5685917

 Sumitomo Purple Diamond Patent 4950463

 GE Ib and Ia/Ib Annealing Patent 4124690

 GE Ib Annealing Patent 4174380

Sumitomo Green Diamond Patent 4959201

 Diamond Growth Patent 3630679

 Diamond Growth Patent 3630678

 Diamond Growth Patent 3615208

 Diamond Treatment Patent 4399364

 Diamond Color Separation Patent 4907875

 Gemstone Color Modification Patent 3616357

Gemstone Color Enhancement Patent 5084909

 Irradiating Gemstones Patent 5637878
 

RELATED TO SILICON CARBIDE (Moissanite)


 

 

C3's Silicon Carbide With Diamond Overgrowth Patent 5882786

C3's Silicon Carbide (Moissanite) Gemstone Patent 5762896

C3's Moissanite Testing Patent 5835205

C3's Silicon Carbide (Moissanite) GemstonePatent 5723391
 
 


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