JG

John Gyann

📍 Darien, IL: #154 of 266 inventorsTop 60%
🗺 Illinois: #48,934 of 84,256 inventorsTop 60%
Overall (All Time): #3,957,322 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4764384 Method of filtering spent cooking oil 1988-08-16