ER

Eric Roll

📍 Joplin, MO: #4 of 17 inventorsTop 25%
🗺 Missouri: #387 of 1,485 inventorsTop 30%
Overall (2002): #222,746 of 266,432Top 85%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6453870 Electrically conducting filter David Koller, De Quan Yu, Ling Bai 2002-09-24