David A. De Marco

S( Standard Oil Company (Indiana): 1 patents #254 of 576Top 45%

📍 Aurora, IL: #589 of 1,049 inventorsTop 60%

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

Overall (All Time): #3,994,803 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4585897	Process for preparation of fuel additives from acetylene	Ellis K. Fields, Mark L. Winzenburg	1986-04-29