Patents/Inventors

Pradeep N. Perera

Fair Lawn, NJUS2 patents

2 Patents

US125605352026
Ultraviolet-visible Absorption Spectroscopy for Gemstone Identification
Gemological Institute Of America, Inc. (GIA)
0 cites
US118287032023
Ultraviolet-visible Absorption Spectroscopy for Gemstone Identification
Gemological Institute Of America, Inc. (GIA)
0 cites