Erdman O. Spradlin

📍 Naperville, IL: #1,350 of 3,051 inventorsTop 45%

🗺 Illinois: #34,584 of 84,256 inventorsTop 45%

Overall (All Time): #2,171,052 of 4,157,543Top 55%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
7076921	Gutter system with snap together parts	—	2006-07-18
6202357	Hydrodynamic roof water intake and waste disposal device	—	2001-03-20