JO

John P. O'Brien

📍 Columbus, IN: #8 of 26 inventorsTop 35%
🗺 Indiana: #228 of 1,070 inventorsTop 25%
Overall (1982): #51,922 of 81,411Top 65%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4311312 Elastic cord suspended golf practice pad — 1982-01-19