JJ

John A. Johnson

📍 Dilworth, MN: #1 of 1 inventorsTop 100%
🗺 Minnesota: #129 of 2,022 inventorsTop 7%
Overall (1989): #23,814 of 140,708Top 20%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4856150 Container coupler 1989-08-15
4825083 Ultraviolet water treatment apparatus Ernest Latel 1989-04-25