JC

John R. Columbia

📍 Masontown, PA: #2 of 23 inventorsTop 9%
🗺 Pennsylvania: #1,176 of 7,529 inventorsTop 20%
Overall (2017): #139,783 of 506,227Top 30%
2
Patents 2017

Issued Patents 2017

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9707811 Multi-task trailer hitch assembly 2017-07-18
9630463 Maximum security/maximum versatility ball mount assembly 2017-04-25