GR

Gilbert Norman Ravich

G( Gemological Institute Of America, Inc. (Gia): 1 patents #1 of 3Top 35%
📍 Lawndale, CA: #1 of 6 inventorsTop 20%
🗺 California: #4,287 of 28,521 inventorsTop 20%
Overall (2003): #66,566 of 273,478Top 25%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6653851 Refocusing wavelengths to a common focal plane for electrical trace testing Mario A. Cugini, Jeff Brakley, Eric Ford 2003-11-25
6650489 Gem identification viewer Shane Elen, James Shigley 2003-11-18