John Coupal

📍 Lexington, KY: #1,545 of 2,526 inventorsTop 65%

🗺 Kentucky: #6,410 of 11,577 inventorsTop 60%

Overall (All Time): #4,014,049 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4513607	Analytical filtration technique	—	1985-04-30