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
Sumitomo Purple Diamond Patent 4950463
GE Ib and Ia/Ib Annealing Patent 4124690
GE Ib Annealing Patent 4174380
Sumitomo Green Diamond Patent 4959201
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
SAS2000 Spectrophotometer 
Questions, Comments, Product Support AD