JK

John Kiefner

📍 Worthington, OH: #276 of 449 inventorsTop 65%
🗺 Ohio: #42,657 of 73,341 inventorsTop 60%
Overall (All Time): #3,494,565 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6813949 Pipeline inspection system Richard Masaniello, Dennis Johnston, Stephen Christoffersen, Arthur Turner, John Broussard 2004-11-09