JD

Joseph D. Duffell

📍 Hutchinson, KS: #40 of 137 inventorsTop 30%
🗺 Kansas: #4,268 of 12,005 inventorsTop 40%
Overall (All Time): #2,237,179 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6053679 Carriage for expandable door — 2000-04-25
5788439 Railcar load divider door suspension device — 1998-08-04