SC

Steven Callahan

📍 Knoxville, TN: #13 of 161 inventorsTop 9%
🗺 Tennessee: #104 of 1,269 inventorsTop 9%
Overall (2004): #40,694 of 270,089Top 20%
2
Patents 2004

Issued Patents 2004

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6739278 Folding rigid-bottom boat 2004-05-25
6684808 Boat stability and directional-control device 2004-02-03