JR

John Roberts

📍 Evanston, IL: #13 of 55 inventorsTop 25%
🗺 Illinois: #802 of 3,813 inventorsTop 25%
Overall (1989): #93,211 of 140,708Top 70%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4802450 Balancer for internal combustion engine — 1989-02-07