Harry A. DuRay

📍 Downers Grove, IL: #480 of 824 inventorsTop 60%

🗺 Illinois: #48,934 of 84,256 inventorsTop 60%

Overall (All Time): #4,086,940 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4259832	Grass collection apparatus	—	1981-04-07