JW

John M. Walsh

📍 Grand Rapids, MI: #4 of 44 inventorsTop 10%
🗺 Michigan: #416 of 1,972 inventorsTop 25%
Overall (1982): #50,987 of 81,411Top 65%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4311174 Safety dispenser attachment for dangerous liquid additives — 1982-01-19