DS

Donald B. Shank

📍 Duluth, MN: #107 of 317 inventorsTop 35%
🗺 Minnesota: #23,881 of 52,454 inventorsTop 50%
Overall (All Time): #2,268,957 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5613741 Air brake pilot adaptor — 1997-03-25
5390988 Air brake pilot adaptor — 1995-02-21